21810684

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{757}}^1$

素因数の和:792

約数の個数: 60

約数和(自身を含む): 59448424

約数和(自身を除く): 37637740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 757, 1029, 1372, 1514, 2058, 2271, 2401, 3028, 4116, 4542, 4802, 5299, 7203, 9084, 9604, 10598, 14406, 15897, 21196, 28812, 31794, 37093, 63588, 74186, 111279, 148372, 222558, 259651, 445116, 519302, 778953, 1038604, 1557906, 1817557, 3115812, 3635114, 5452671, 7270228, 10905342, 21810684]

約数ペア:

[(1, 21810684), (2, 10905342), (3, 7270228), (4, 5452671), (6, 3635114), (7, 3115812), (12, 1817557), (14, 1557906), (21, 1038604), (28, 778953), (42, 519302), (49, 445116), (84, 259651), (98, 222558), (147, 148372), (196, 111279), (294, 74186), (343, 63588), (588, 37093), (686, 31794), (757, 28812), (1029, 21196), (1372, 15897), (1514, 14406), (2058, 10598), (2271, 9604), (2401, 9084), (3028, 7203), (4116, 5299), (4542, 4802)]