21904538

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7517}}^1$

素因数の和:7597

約数の個数: 16

約数和(自身を含む): 34642944

約数和(自身を除く): 12738406

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 7517, 15034, 233027, 353299, 466054, 706598, 10952269, 21904538]

約数ペア:

[(1, 21904538), (2, 10952269), (31, 706598), (47, 466054), (62, 353299), (94, 233027), (1457, 15034), (2914, 7517)]