21269430

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:100

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 49492170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 53, 63, 65, 70, 78, 90, 91, 98, 105, 106, 117, 126, 130, 147, 159, 182, 195, 210, 234, 245, 265, 273, 294, 315, 318, 343, 371, 390, 441, 455, 477, 490, 530, 546, 585, 630, 637, 686, 689, 735, 742, 795, 819, 882, 910, 954, 1029, 1113, 1170, 1274, 1365, 1378, 1470, 1590, 1638, 1715, 1855, 1911, 2058, 2067, 2205, 2226, 2385, 2597, 2730, 3087, 3185, 3339, 3430, 3445, 3710, 3822, 4095, 4134, 4410, 4459, 4770, 4823, 5145, 5194, 5565, 5733, 6174, 6201, 6370, 6678, 6890, 7791, 8190, 8918, 9555, 9646, 10290, 10335, 11130, 11466, 12402, 12985, 13377, 14469, 15435, 15582, 16695, 18179, 19110, 20670, 22295, 23373, 24115, 25970, 26754, 28665, 28938, 30870, 31005, 33390, 33761, 36358, 38955, 40131, 43407, 44590, 46746, 48230, 54537, 57330, 62010, 66885, 67522, 72345, 77910, 80262, 86814, 90895, 101283, 109074, 116865, 133770, 144690, 163611, 168805, 181790, 200655, 202566, 217035, 233730, 236327, 272685, 303849, 327222, 337610, 401310, 434070, 472654, 506415, 545370, 607698, 708981, 818055, 1012830, 1181635, 1417962, 1519245, 1636110, 2126943, 2363270, 3038490, 3544905, 4253886, 7089810, 10634715, 21269430]

約数ペア:

[(1, 21269430), (2, 10634715), (3, 7089810), (5, 4253886), (6, 3544905), (7, 3038490), (9, 2363270), (10, 2126943), (13, 1636110), (14, 1519245), (15, 1417962), (18, 1181635), (21, 1012830), (26, 818055), (30, 708981), (35, 607698), (39, 545370), (42, 506415), (45, 472654), (49, 434070), (53, 401310), (63, 337610), (65, 327222), (70, 303849), (78, 272685), (90, 236327), (91, 233730), (98, 217035), (105, 202566), (106, 200655), (117, 181790), (126, 168805), (130, 163611), (147, 144690), (159, 133770), (182, 116865), (195, 109074), (210, 101283), (234, 90895), (245, 86814), (265, 80262), (273, 77910), (294, 72345), (315, 67522), (318, 66885), (343, 62010), (371, 57330), (390, 54537), (441, 48230), (455, 46746), (477, 44590), (490, 43407), (530, 40131), (546, 38955), (585, 36358), (630, 33761), (637, 33390), (686, 31005), (689, 30870), (735, 28938), (742, 28665), (795, 26754), (819, 25970), (882, 24115), (910, 23373), (954, 22295), (1029, 20670), (1113, 19110), (1170, 18179), (1274, 16695), (1365, 15582), (1378, 15435), (1470, 14469), (1590, 13377), (1638, 12985), (1715, 12402), (1855, 11466), (1911, 11130), (2058, 10335), (2067, 10290), (2205, 9646), (2226, 9555), (2385, 8918), (2597, 8190), (2730, 7791), (3087, 6890), (3185, 6678), (3339, 6370), (3430, 6201), (3445, 6174), (3710, 5733), (3822, 5565), (4095, 5194), (4134, 5145), (4410, 4823), (4459, 4770)]