21645991

素因数分解:

${\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 12

約数和(自身を含む): 22750560

約数和(自身を除く): 1104569

約数列:

[1, 41, 47, 239, 1927, 2209, 9799, 11233, 90569, 460553, 527951, 21645991]

約数ペア:

[(1, 21645991), (41, 527951), (47, 460553), (239, 90569), (1927, 11233), (2209, 9799)]