21099216

素因数分解:

$2^4\times 3^1\times {\mathrm{439567}}^1$

素因数の和:439578

約数の個数: 20

約数和(自身を含む): 54506432

約数和(自身を除く): 33407216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439567, 879134, 1318701, 1758268, 2637402, 3516536, 5274804, 7033072, 10549608, 21099216]

約数ペア:

[(1, 21099216), (2, 10549608), (3, 7033072), (4, 5274804), (6, 3516536), (8, 2637402), (12, 1758268), (16, 1318701), (24, 879134), (48, 439567)]