21527404

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 38476368

約数和(自身を除く): 16948964

約数列:

[1, 2, 4, 97, 113, 194, 226, 388, 452, 491, 982, 1964, 10961, 21922, 43844, 47627, 55483, 95254, 110966, 190508, 221932, 5381851, 10763702, 21527404]

約数ペア:

[(1, 21527404), (2, 10763702), (4, 5381851), (97, 221932), (113, 190508), (194, 110966), (226, 95254), (388, 55483), (452, 47627), (491, 43844), (982, 21922), (1964, 10961)]