21903422

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{881}}^1$

素因数の和:1315

約数の個数: 16

約数和(自身を含む): 34038144

約数和(自身を除く): 12134722

約数列:

[1, 2, 31, 62, 401, 802, 881, 1762, 12431, 24862, 27311, 54622, 353281, 706562, 10951711, 21903422]

約数ペア:

[(1, 21903422), (2, 10951711), (31, 706562), (62, 353281), (401, 54622), (802, 27311), (881, 24862), (1762, 12431)]