21813649

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1481}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 25893504

約数和(自身を除く): 4079855

約数列:

[1, 11, 13, 103, 143, 1133, 1339, 1481, 14729, 16291, 19253, 152543, 211783, 1677973, 1983059, 21813649]

約数ペア:

[(1, 21813649), (11, 1983059), (13, 1677973), (103, 211783), (143, 152543), (1133, 19253), (1339, 16291), (1481, 14729)]