21386454

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 44051040

約数和(自身を除く): 22664586

約数列:

[1, 2, 3, 6, 53, 106, 109, 159, 218, 318, 327, 617, 654, 1234, 1851, 3702, 5777, 11554, 17331, 32701, 34662, 65402, 67253, 98103, 134506, 196206, 201759, 403518, 3564409, 7128818, 10693227, 21386454]

約数ペア:

[(1, 21386454), (2, 10693227), (3, 7128818), (6, 3564409), (53, 403518), (106, 201759), (109, 196206), (159, 134506), (218, 98103), (318, 67253), (327, 65402), (617, 34662), (654, 32701), (1234, 17331), (1851, 11554), (3702, 5777)]