21451804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2129}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 41151600

約数和(自身を除く): 19699796

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2129, 2519, 4258, 5038, 8516, 10076, 23419, 46838, 93676, 487541, 975082, 1950164, 5362951, 10725902, 21451804]

約数ペア:

[(1, 21451804), (2, 10725902), (4, 5362951), (11, 1950164), (22, 975082), (44, 487541), (229, 93676), (458, 46838), (916, 23419), (2129, 10076), (2519, 8516), (4258, 5038)]