21620833

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 23959936

約数和(自身を除く): 2339103

約数列:

[1, 13, 67, 103, 241, 871, 1339, 3133, 6901, 16147, 24823, 89713, 209911, 322699, 1663141, 21620833]

約数ペア:

[(1, 21620833), (13, 1663141), (67, 322699), (103, 209911), (241, 89713), (871, 24823), (1339, 16147), (3133, 6901)]