21096592

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:688

約数の個数: 60

約数和(自身を含む): 47645388

約数和(自身を除く): 26548796

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 374, 484, 641, 748, 968, 1282, 1496, 1936, 2057, 2564, 2992, 4114, 5128, 7051, 8228, 10256, 10897, 14102, 16456, 21794, 28204, 32912, 43588, 56408, 77561, 87176, 112816, 119867, 155122, 174352, 239734, 310244, 479468, 620488, 958936, 1240976, 1318537, 1917872, 2637074, 5274148, 10548296, 21096592]

約数ペア:

[(1, 21096592), (2, 10548296), (4, 5274148), (8, 2637074), (11, 1917872), (16, 1318537), (17, 1240976), (22, 958936), (34, 620488), (44, 479468), (68, 310244), (88, 239734), (121, 174352), (136, 155122), (176, 119867), (187, 112816), (242, 87176), (272, 77561), (374, 56408), (484, 43588), (641, 32912), (748, 28204), (968, 21794), (1282, 16456), (1496, 14102), (1936, 10897), (2057, 10256), (2564, 8228), (2992, 7051), (4114, 5128)]