21863504176

素因数分解:

$2^4\times {\mathrm{40123}}^1\times {\mathrm{34057}}^1$

素因数の和:74188

約数の個数: 20

約数和(自身を含む): 42362838952

約数和(自身を除く): 20499334776

約数列:

[1, 2, 4, 8, 16, 34057, 40123, 68114, 80246, 136228, 160492, 272456, 320984, 544912, 641968, 1366469011, 2732938022, 5465876044, 10931752088, 21863504176]

約数ペア:

[(1, 21863504176), (2, 10931752088), (4, 5465876044), (8, 2732938022), (16, 1366469011), (34057, 641968), (40123, 544912), (68114, 320984), (80246, 272456), (136228, 160492)]