21101002

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:574

約数の個数: 24

約数和(自身を含む): 34573824

約数和(自身を除く): 13472822

約数列:

[1, 2, 13, 26, 163, 169, 326, 338, 383, 766, 2119, 4238, 4979, 9958, 27547, 55094, 62429, 64727, 124858, 129454, 811577, 1623154, 10550501, 21101002]

約数ペア:

[(1, 21101002), (2, 10550501), (13, 1623154), (26, 811577), (163, 129454), (169, 124858), (326, 64727), (338, 62429), (383, 55094), (766, 27547), (2119, 9958), (4238, 4979)]