21727472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104459}}^1$

素因数の和:104480

約数の個数: 20

約数和(自身を含む): 45335640

約数和(自身を除く): 23608168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104459, 208918, 417836, 835672, 1357967, 1671344, 2715934, 5431868, 10863736, 21727472]

約数ペア:

[(1, 21727472), (2, 10863736), (4, 5431868), (8, 2715934), (13, 1671344), (16, 1357967), (26, 835672), (52, 417836), (104, 208918), (208, 104459)]