211325420

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{19531}}^1$

素因数の和:20081

約数の個数: 24

約数和(自身を含む): 444626448

約数和(自身を除く): 233301028

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 19531, 39062, 78124, 97655, 195310, 390620, 10566271, 21132542, 42265084, 52831355, 105662710, 211325420]

約数ペア:

[(1, 211325420), (2, 105662710), (4, 52831355), (5, 42265084), (10, 21132542), (20, 10566271), (541, 390620), (1082, 195310), (2164, 97655), (2705, 78124), (5410, 39062), (10820, 19531)]