21433115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2153}}^1$

素因数の和:2350

約数の個数: 16

約数和(自身を含む): 28226016

約数和(自身を除く): 6792901

約数列:

[1, 5, 11, 55, 181, 905, 1991, 2153, 9955, 10765, 23683, 118415, 389693, 1948465, 4286623, 21433115]

約数ペア:

[(1, 21433115), (5, 4286623), (11, 1948465), (55, 389693), (181, 118415), (905, 23683), (1991, 10765), (2153, 9955)]