21881652

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 60060672

約数和(自身を除く): 38179020

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 37, 39, 51, 52, 68, 74, 78, 102, 111, 148, 156, 204, 221, 222, 223, 442, 444, 446, 481, 629, 663, 669, 884, 892, 962, 1258, 1326, 1338, 1443, 1887, 1924, 2516, 2652, 2676, 2886, 2899, 3774, 3791, 5772, 5798, 7548, 7582, 8177, 8251, 8697, 11373, 11596, 15164, 16354, 16502, 17394, 22746, 24531, 24753, 32708, 33004, 34788, 45492, 49062, 49283, 49506, 98124, 98566, 99012, 107263, 140267, 147849, 197132, 214526, 280534, 295698, 321789, 420801, 429052, 561068, 591396, 643578, 841602, 1287156, 1683204, 1823471, 3646942, 5470413, 7293884, 10940826, 21881652]

約数ペア:

[(1, 21881652), (2, 10940826), (3, 7293884), (4, 5470413), (6, 3646942), (12, 1823471), (13, 1683204), (17, 1287156), (26, 841602), (34, 643578), (37, 591396), (39, 561068), (51, 429052), (52, 420801), (68, 321789), (74, 295698), (78, 280534), (102, 214526), (111, 197132), (148, 147849), (156, 140267), (204, 107263), (221, 99012), (222, 98566), (223, 98124), (442, 49506), (444, 49283), (446, 49062), (481, 45492), (629, 34788), (663, 33004), (669, 32708), (884, 24753), (892, 24531), (962, 22746), (1258, 17394), (1326, 16502), (1338, 16354), (1443, 15164), (1887, 11596), (1924, 11373), (2516, 8697), (2652, 8251), (2676, 8177), (2886, 7582), (2899, 7548), (3774, 5798), (3791, 5772)]