21791346

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6971}}^1$

素因数の和:7497

約数の個数: 16

約数和(自身を含む): 43672608

約数和(自身を除く): 21881262

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6971, 13942, 20913, 41826, 3631891, 7263782, 10895673, 21791346]

約数ペア:

[(1, 21791346), (2, 10895673), (3, 7263782), (6, 3631891), (521, 41826), (1042, 20913), (1563, 13942), (3126, 6971)]