21232100

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{881}}^1$

素因数の和:1136

約数の個数: 36

約数和(自身を含む): 46317348

約数和(自身を除く): 25085248

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 881, 964, 1205, 1762, 2410, 3524, 4405, 4820, 6025, 8810, 12050, 17620, 22025, 24100, 44050, 88100, 212321, 424642, 849284, 1061605, 2123210, 4246420, 5308025, 10616050, 21232100]

約数ペア:

[(1, 21232100), (2, 10616050), (4, 5308025), (5, 4246420), (10, 2123210), (20, 1061605), (25, 849284), (50, 424642), (100, 212321), (241, 88100), (482, 44050), (881, 24100), (964, 22025), (1205, 17620), (1762, 12050), (2410, 8810), (3524, 6025), (4405, 4820)]