21135658

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 35236944

約数和(自身を除く): 14101286

約数列:

[1, 2, 17, 34, 37, 53, 74, 106, 317, 629, 634, 901, 1258, 1802, 1961, 3922, 5389, 10778, 11729, 16801, 23458, 33337, 33602, 66674, 199393, 285617, 398786, 571234, 621637, 1243274, 10567829, 21135658]

約数ペア:

[(1, 21135658), (2, 10567829), (17, 1243274), (34, 621637), (37, 571234), (53, 398786), (74, 285617), (106, 199393), (317, 66674), (629, 33602), (634, 33337), (901, 23458), (1258, 16801), (1802, 11729), (1961, 10778), (3922, 5389)]