21920132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11393}}^1$

素因数の和:11447

約数の個数: 24

約数和(自身を含む): 42431256

約数和(自身を除く): 20511124

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11393, 22786, 45572, 148109, 296218, 421541, 592436, 843082, 1686164, 5480033, 10960066, 21920132]

約数ペア:

[(1, 21920132), (2, 10960066), (4, 5480033), (13, 1686164), (26, 843082), (37, 592436), (52, 421541), (74, 296218), (148, 148109), (481, 45572), (962, 22786), (1924, 11393)]