21221722

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{563}}^1$

素因数の和:1013

約数の個数: 16

約数和(自身を含む): 32648832

約数和(自身を除く): 11427110

約数列:

[1, 2, 47, 94, 401, 563, 802, 1126, 18847, 26461, 37694, 52922, 225763, 451526, 10610861, 21221722]

約数ペア:

[(1, 21221722), (2, 10610861), (47, 451526), (94, 225763), (401, 52922), (563, 37694), (802, 26461), (1126, 18847)]