21348016

素因数分解:

$2^4\times {\mathrm{587}}^1\times {\mathrm{2273}}^1$

素因数の和:2868

約数の個数: 20

約数和(自身を含む): 41450472

約数和(自身を除く): 20102456

約数列:

[1, 2, 4, 8, 16, 587, 1174, 2273, 2348, 4546, 4696, 9092, 9392, 18184, 36368, 1334251, 2668502, 5337004, 10674008, 21348016]

約数ペア:

[(1, 21348016), (2, 10674008), (4, 5337004), (8, 2668502), (16, 1334251), (587, 36368), (1174, 18184), (2273, 9392), (2348, 9092), (4546, 4696)]