21179696

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42701}}^1$

素因数の和:42740

約数の個数: 20

約数和(自身を含む): 42360384

約数和(自身を除く): 21180688

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42701, 85402, 170804, 341608, 683216, 1323731, 2647462, 5294924, 10589848, 21179696]

約数ペア:

[(1, 21179696), (2, 10589848), (4, 5294924), (8, 2647462), (16, 1323731), (31, 683216), (62, 341608), (124, 170804), (248, 85402), (496, 42701)]