21696496

素因数分解:

$2^4\times {\mathrm{677}}^1\times {\mathrm{2003}}^1$

素因数の和:2688

約数の個数: 20

約数和(自身を含む): 42120072

約数和(自身を除く): 20423576

約数列:

[1, 2, 4, 8, 16, 677, 1354, 2003, 2708, 4006, 5416, 8012, 10832, 16024, 32048, 1356031, 2712062, 5424124, 10848248, 21696496]

約数ペア:

[(1, 21696496), (2, 10848248), (4, 5424124), (8, 2712062), (16, 1356031), (677, 32048), (1354, 16024), (2003, 10832), (2708, 8012), (4006, 5416)]