21174508

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{827}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 38323152

約数和(自身を除く): 17148644

約数列:

[1, 2, 4, 37, 74, 148, 173, 346, 692, 827, 1654, 3308, 6401, 12802, 25604, 30599, 61198, 122396, 143071, 286142, 572284, 5293627, 10587254, 21174508]

約数ペア:

[(1, 21174508), (2, 10587254), (4, 5293627), (37, 572284), (74, 286142), (148, 143071), (173, 122396), (346, 61198), (692, 30599), (827, 25604), (1654, 12802), (3308, 6401)]