21880888965

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:309

約数の個数: 256

約数和(自身を含む): 45650304000

約数和(自身を除く): 23769415035

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 73, 89, 95, 101, 117, 135, 171, 195, 219, 247, 267, 285, 303, 351, 365, 445, 505, 513, 585, 657, 741, 801, 855, 909, 949, 1095, 1157, 1235, 1313, 1335, 1387, 1515, 1691, 1755, 1919, 1971, 2223, 2403, 2565, 2727, 2847, 3285, 3471, 3705, 3939, 4005, 4161, 4545, 4745, 5073, 5757, 5785, 6497, 6565, 6669, 6935, 7373, 8455, 8541, 8989, 9595, 9855, 10413, 11115, 11817, 12015, 12483, 13635, 14235, 15219, 17271, 17355, 18031, 19491, 19695, 20805, 21983, 22119, 24947, 25365, 25623, 26967, 28785, 31239, 32485, 33345, 35451, 36865, 37449, 42705, 44945, 45657, 51813, 52065, 54093, 58473, 59085, 62415, 65949, 66357, 74841, 76095, 80901, 84461, 86355, 90155, 95849, 97455, 109915, 110595, 116857, 123443, 124735, 128115, 134835, 140087, 156195, 162279, 170791, 175419, 177255, 187245, 197847, 199071, 224523, 228285, 242703, 253383, 259065, 270465, 287547, 292365, 329745, 331785, 350571, 370329, 374205, 404505, 420261, 422305, 479245, 486837, 512373, 584285, 593541, 617215, 656197, 673569, 700435, 760149, 811395, 853955, 862641, 877095, 989235, 995355, 1051713, 1110987, 1122615, 1213515, 1260783, 1266915, 1437735, 1537119, 1604759, 1752855, 1821131, 1851645, 1968591, 2101305, 2220283, 2280447, 2434185, 2561865, 2587923, 2967705, 3155139, 3280985, 3332961, 3367845, 3782349, 3800745, 4313205, 4611357, 4814277, 5258565, 5463393, 5554935, 5905773, 6303915, 6660849, 7685595, 8023795, 8530561, 9105655, 9842955, 11101415, 11402235, 12467743, 12939615, 14442831, 15775695, 16390179, 16664805, 17717319, 18911745, 19982547, 23056785, 24071385, 25591683, 27316965, 29528865, 33304245, 37403229, 42652805, 43328493, 49170537, 59947641, 62338715, 72214155, 76775049, 81950895, 88586595, 99912735, 112209687, 127958415, 162080659, 187016145, 216642465, 230325147, 245852685, 299738205, 336629061, 383875245, 486241977, 561048435, 810403295, 1151625735, 1458725931, 1683145305, 2431209885, 4376177793, 7293629655, 21880888965]

約数ペア:

[(1, 21880888965), (3, 7293629655), (5, 4376177793), (9, 2431209885), (13, 1683145305), (15, 1458725931), (19, 1151625735), (27, 810403295), (39, 561048435), (45, 486241977), (57, 383875245), (65, 336629061), (73, 299738205), (89, 245852685), (95, 230325147), (101, 216642465), (117, 187016145), (135, 162080659), (171, 127958415), (195, 112209687), (219, 99912735), (247, 88586595), (267, 81950895), (285, 76775049), (303, 72214155), (351, 62338715), (365, 59947641), (445, 49170537), (505, 43328493), (513, 42652805), (585, 37403229), (657, 33304245), (741, 29528865), (801, 27316965), (855, 25591683), (909, 24071385), (949, 23056785), (1095, 19982547), (1157, 18911745), (1235, 17717319), (1313, 16664805), (1335, 16390179), (1387, 15775695), (1515, 14442831), (1691, 12939615), (1755, 12467743), (1919, 11402235), (1971, 11101415), (2223, 9842955), (2403, 9105655), (2565, 8530561), (2727, 8023795), (2847, 7685595), (3285, 6660849), (3471, 6303915), (3705, 5905773), (3939, 5554935), (4005, 5463393), (4161, 5258565), (4545, 4814277), (4745, 4611357), (5073, 4313205), (5757, 3800745), (5785, 3782349), (6497, 3367845), (6565, 3332961), (6669, 3280985), (6935, 3155139), (7373, 2967705), (8455, 2587923), (8541, 2561865), (8989, 2434185), (9595, 2280447), (9855, 2220283), (10413, 2101305), (11115, 1968591), (11817, 1851645), (12015, 1821131), (12483, 1752855), (13635, 1604759), (14235, 1537119), (15219, 1437735), (17271, 1266915), (17355, 1260783), (18031, 1213515), (19491, 1122615), (19695, 1110987), (20805, 1051713), (21983, 995355), (22119, 989235), (24947, 877095), (25365, 862641), (25623, 853955), (26967, 811395), (28785, 760149), (31239, 700435), (32485, 673569), (33345, 656197), (35451, 617215), (36865, 593541), (37449, 584285), (42705, 512373), (44945, 486837), (45657, 479245), (51813, 422305), (52065, 420261), (54093, 404505), (58473, 374205), (59085, 370329), (62415, 350571), (65949, 331785), (66357, 329745), (74841, 292365), (76095, 287547), (80901, 270465), (84461, 259065), (86355, 253383), (90155, 242703), (95849, 228285), (97455, 224523), (109915, 199071), (110595, 197847), (116857, 187245), (123443, 177255), (124735, 175419), (128115, 170791), (134835, 162279), (140087, 156195)]