21796624

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8677}}^1$

素因数の和:8842

約数の個数: 20

約数和(自身を含む): 42504844

約数和(自身を除く): 20708220

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8677, 17354, 34708, 69416, 138832, 1362289, 2724578, 5449156, 10898312, 21796624]

約数ペア:

[(1, 21796624), (2, 10898312), (4, 5449156), (8, 2724578), (16, 1362289), (157, 138832), (314, 69416), (628, 34708), (1256, 17354), (2512, 8677)]