21235685185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29700259}}^1$

素因数の和:29700288

約数の個数: 16

約数和(自身を含む): 29937862080

約数和(自身を除く): 8702176895

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29700259, 148501295, 326702849, 386103367, 1633514245, 1930516835, 4247137037, 21235685185]

約数ペア:

[(1, 21235685185), (5, 4247137037), (11, 1930516835), (13, 1633514245), (55, 386103367), (65, 326702849), (143, 148501295), (715, 29700259)]