21116864

素因数分解:

$2^6\times {\mathrm{329951}}^1$

素因数の和:329963

約数の個数: 14

約数和(自身を含む): 41903904

約数和(自身を除く): 20787040

約数列:

[1, 2, 4, 8, 16, 32, 64, 329951, 659902, 1319804, 2639608, 5279216, 10558432, 21116864]

約数ペア:

[(1, 21116864), (2, 10558432), (4, 5279216), (8, 2639608), (16, 1319804), (32, 659902), (64, 329951)]