21513998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{33721}}^1$

素因数の和:33763

約数の個数: 16

約数和(自身を含む): 36419760

約数和(自身を除く): 14905762

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 33721, 67442, 370931, 741862, 977909, 1955818, 10756999, 21513998]

約数ペア:

[(1, 21513998), (2, 10756999), (11, 1955818), (22, 977909), (29, 741862), (58, 370931), (319, 67442), (638, 33721)]