21364812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 62244000

約数和(自身を除く): 40879188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 252, 298, 447, 569, 596, 894, 1043, 1138, 1341, 1707, 1788, 2086, 2276, 2682, 3129, 3414, 3983, 4172, 5121, 5364, 6258, 6828, 7966, 9387, 10242, 11949, 12516, 15932, 18774, 20484, 23898, 35847, 37548, 47796, 71694, 84781, 143388, 169562, 254343, 339124, 508686, 593467, 763029, 1017372, 1186934, 1526058, 1780401, 2373868, 3052116, 3560802, 5341203, 7121604, 10682406, 21364812]

約数ペア:

[(1, 21364812), (2, 10682406), (3, 7121604), (4, 5341203), (6, 3560802), (7, 3052116), (9, 2373868), (12, 1780401), (14, 1526058), (18, 1186934), (21, 1017372), (28, 763029), (36, 593467), (42, 508686), (63, 339124), (84, 254343), (126, 169562), (149, 143388), (252, 84781), (298, 71694), (447, 47796), (569, 37548), (596, 35847), (894, 23898), (1043, 20484), (1138, 18774), (1341, 15932), (1707, 12516), (1788, 11949), (2086, 10242), (2276, 9387), (2682, 7966), (3129, 6828), (3414, 6258), (3983, 5364), (4172, 5121)]