21301140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1297

約数の個数: 96

約数和(自身を含む): 69882624

約数和(自身を除く): 48581484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1237, 1435, 1722, 2460, 2474, 2870, 3444, 3711, 4305, 4948, 5740, 6185, 7422, 8610, 8659, 12370, 14844, 17220, 17318, 18555, 24740, 25977, 34636, 37110, 43295, 50717, 51954, 74220, 86590, 101434, 103908, 129885, 152151, 173180, 202868, 253585, 259770, 304302, 355019, 507170, 519540, 608604, 710038, 760755, 1014340, 1065057, 1420076, 1521510, 1775095, 2130114, 3043020, 3550190, 4260228, 5325285, 7100380, 10650570, 21301140]

約数ペア:

[(1, 21301140), (2, 10650570), (3, 7100380), (4, 5325285), (5, 4260228), (6, 3550190), (7, 3043020), (10, 2130114), (12, 1775095), (14, 1521510), (15, 1420076), (20, 1065057), (21, 1014340), (28, 760755), (30, 710038), (35, 608604), (41, 519540), (42, 507170), (60, 355019), (70, 304302), (82, 259770), (84, 253585), (105, 202868), (123, 173180), (140, 152151), (164, 129885), (205, 103908), (210, 101434), (246, 86590), (287, 74220), (410, 51954), (420, 50717), (492, 43295), (574, 37110), (615, 34636), (820, 25977), (861, 24740), (1148, 18555), (1230, 17318), (1237, 17220), (1435, 14844), (1722, 12370), (2460, 8659), (2474, 8610), (2870, 7422), (3444, 6185), (3711, 5740), (4305, 4948)]