21274344

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 75479040

約数和(自身を除く): 54204696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 51, 52, 56, 63, 68, 72, 78, 84, 91, 102, 104, 117, 119, 126, 136, 153, 156, 168, 182, 191, 204, 221, 234, 238, 252, 273, 306, 312, 357, 364, 382, 408, 442, 468, 476, 504, 546, 573, 612, 663, 714, 728, 764, 819, 884, 936, 952, 1071, 1092, 1146, 1224, 1326, 1337, 1428, 1528, 1547, 1638, 1719, 1768, 1989, 2142, 2184, 2292, 2483, 2652, 2674, 2856, 3094, 3247, 3276, 3438, 3978, 4011, 4284, 4584, 4641, 4966, 5304, 5348, 6188, 6494, 6552, 6876, 7449, 7956, 8022, 8568, 9282, 9741, 9932, 10696, 12033, 12376, 12988, 13752, 13923, 14898, 15912, 16044, 17381, 18564, 19482, 19864, 22347, 22729, 24066, 25976, 27846, 29223, 29796, 32088, 34762, 37128, 38964, 42211, 44694, 45458, 48132, 52143, 55692, 58446, 59592, 68187, 69524, 77928, 84422, 89388, 90916, 96264, 104286, 111384, 116892, 126633, 136374, 139048, 156429, 168844, 178776, 181832, 204561, 208572, 233784, 253266, 272748, 295477, 312858, 337688, 379899, 409122, 417144, 506532, 545496, 590954, 625716, 759798, 818244, 886431, 1013064, 1181908, 1251432, 1519596, 1636488, 1772862, 2363816, 2659293, 3039192, 3545724, 5318586, 7091448, 10637172, 21274344]

約数ペア:

[(1, 21274344), (2, 10637172), (3, 7091448), (4, 5318586), (6, 3545724), (7, 3039192), (8, 2659293), (9, 2363816), (12, 1772862), (13, 1636488), (14, 1519596), (17, 1251432), (18, 1181908), (21, 1013064), (24, 886431), (26, 818244), (28, 759798), (34, 625716), (36, 590954), (39, 545496), (42, 506532), (51, 417144), (52, 409122), (56, 379899), (63, 337688), (68, 312858), (72, 295477), (78, 272748), (84, 253266), (91, 233784), (102, 208572), (104, 204561), (117, 181832), (119, 178776), (126, 168844), (136, 156429), (153, 139048), (156, 136374), (168, 126633), (182, 116892), (191, 111384), (204, 104286), (221, 96264), (234, 90916), (238, 89388), (252, 84422), (273, 77928), (306, 69524), (312, 68187), (357, 59592), (364, 58446), (382, 55692), (408, 52143), (442, 48132), (468, 45458), (476, 44694), (504, 42211), (546, 38964), (573, 37128), (612, 34762), (663, 32088), (714, 29796), (728, 29223), (764, 27846), (819, 25976), (884, 24066), (936, 22729), (952, 22347), (1071, 19864), (1092, 19482), (1146, 18564), (1224, 17381), (1326, 16044), (1337, 15912), (1428, 14898), (1528, 13923), (1547, 13752), (1638, 12988), (1719, 12376), (1768, 12033), (1989, 10696), (2142, 9932), (2184, 9741), (2292, 9282), (2483, 8568), (2652, 8022), (2674, 7956), (2856, 7449), (3094, 6876), (3247, 6552), (3276, 6494), (3438, 6188), (3978, 5348), (4011, 5304), (4284, 4966), (4584, 4641)]