21574664

素因数分解:

$2^3\times {\mathrm{571}}^1\times {\mathrm{4723}}^1$

素因数の和:5300

約数の個数: 16

約数和(自身を含む): 40531920

約数和(自身を除く): 18957256

約数列:

[1, 2, 4, 8, 571, 1142, 2284, 4568, 4723, 9446, 18892, 37784, 2696833, 5393666, 10787332, 21574664]

約数ペア:

[(1, 21574664), (2, 10787332), (4, 5393666), (8, 2696833), (571, 37784), (1142, 18892), (2284, 9446), (4568, 4723)]