21136432

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14843}}^1$

素因数の和:14940

約数の個数: 20

約数和(自身を含む): 41414760

約数和(自身を除く): 20278328

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14843, 29686, 59372, 118744, 237488, 1321027, 2642054, 5284108, 10568216, 21136432]

約数ペア:

[(1, 21136432), (2, 10568216), (4, 5284108), (8, 2642054), (16, 1321027), (89, 237488), (178, 118744), (356, 59372), (712, 29686), (1424, 14843)]