21811976

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{12011}}^1$

素因数の和:12244

約数の個数: 16

約数和(自身を含む): 41081040

約数和(自身を除く): 19269064

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 12011, 24022, 48044, 96088, 2726497, 5452994, 10905988, 21811976]

約数ペア:

[(1, 21811976), (2, 10905988), (4, 5452994), (8, 2726497), (227, 96088), (454, 48044), (908, 24022), (1816, 12011)]