21143018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9137}}^1$

素因数の和:9241

約数の個数: 16

約数和(自身を含む): 34541640

約数和(自身を除く): 13398622

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9137, 18274, 118781, 237562, 813193, 1626386, 10571509, 21143018]

約数ペア:

[(1, 21143018), (2, 10571509), (13, 1626386), (26, 813193), (89, 237562), (178, 118781), (1157, 18274), (2314, 9137)]