21560418832

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{20112331}}^1$

素因数の和:20112406

約数の個数: 20

約数和(自身を含む): 42396795856

約数和(自身を除く): 20836377024

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 20112331, 40224662, 80449324, 160898648, 321797296, 1347526177, 2695052354, 5390104708, 10780209416, 21560418832]

約数ペア:

[(1, 21560418832), (2, 10780209416), (4, 5390104708), (8, 2695052354), (16, 1347526177), (67, 321797296), (134, 160898648), (268, 80449324), (536, 40224662), (1072, 20112331)]