21871722

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 45048960

約数和(自身を除く): 23177238

約数列:

[1, 2, 3, 6, 53, 106, 109, 159, 218, 318, 327, 631, 654, 1262, 1893, 3786, 5777, 11554, 17331, 33443, 34662, 66886, 68779, 100329, 137558, 200658, 206337, 412674, 3645287, 7290574, 10935861, 21871722]

約数ペア:

[(1, 21871722), (2, 10935861), (3, 7290574), (6, 3645287), (53, 412674), (106, 206337), (109, 200658), (159, 137558), (218, 100329), (318, 68779), (327, 66886), (631, 34662), (654, 33443), (1262, 17331), (1893, 11554), (3786, 5777)]