21203264

素因数分解:

$2^6\times {\mathrm{331301}}^1$

素因数の和:331313

約数の個数: 14

約数和(自身を含む): 42075354

約数和(自身を除く): 20872090

約数列:

[1, 2, 4, 8, 16, 32, 64, 331301, 662602, 1325204, 2650408, 5300816, 10601632, 21203264]

約数ペア:

[(1, 21203264), (2, 10601632), (4, 5300816), (8, 2650408), (16, 1325204), (32, 662602), (64, 331301)]