2021505890

素因数分解:

$2^1\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{171169}}^1$

素因数の和:172357

約数の個数: 16

約数和(自身を含む): 3641812920

約数和(自身を除く): 1620307030

約数列:

[1, 2, 5, 10, 1181, 2362, 5905, 11810, 171169, 342338, 855845, 1711690, 202150589, 404301178, 1010752945, 2021505890]

約数ペア:

[(1, 2021505890), (2, 1010752945), (5, 404301178), (10, 202150589), (1181, 1711690), (2362, 855845), (5905, 342338), (11810, 171169)]