21738100

素因数分解:

$2^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{1201}}^1$

素因数の和:1396

約数の個数: 36

約数和(自身を含む): 47471788

約数和(自身を除く): 25733688

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 181, 362, 724, 905, 1201, 1810, 2402, 3620, 4525, 4804, 6005, 9050, 12010, 18100, 24020, 30025, 60050, 120100, 217381, 434762, 869524, 1086905, 2173810, 4347620, 5434525, 10869050, 21738100]

約数ペア:

[(1, 21738100), (2, 10869050), (4, 5434525), (5, 4347620), (10, 2173810), (20, 1086905), (25, 869524), (50, 434762), (100, 217381), (181, 120100), (362, 60050), (724, 30025), (905, 24020), (1201, 18100), (1810, 12010), (2402, 9050), (3620, 6005), (4525, 4804)]