21851137

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16693}}^1$

素因数の和:16728

約数の個数: 16

約数和(自身を含む): 28847232

約数和(自身を除く): 6996095

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16693, 116851, 183623, 283781, 1285361, 1986467, 3121591, 21851137]

約数ペア:

[(1, 21851137), (7, 3121591), (11, 1986467), (17, 1285361), (77, 283781), (119, 183623), (187, 116851), (1309, 16693)]