21716624

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18593}}^1$

素因数の和:18674

約数の個数: 20

約数和(自身を含む): 42654636

約数和(自身を除く): 20938012

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18593, 37186, 74372, 148744, 297488, 1357289, 2714578, 5429156, 10858312, 21716624]

約数ペア:

[(1, 21716624), (2, 10858312), (4, 5429156), (8, 2714578), (16, 1357289), (73, 297488), (146, 148744), (292, 74372), (584, 37186), (1168, 18593)]