21167792

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42677}}^1$

素因数の和:42716

約数の個数: 20

約数和(自身を含む): 42336576

約数和(自身を除く): 21168784

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42677, 85354, 170708, 341416, 682832, 1322987, 2645974, 5291948, 10583896, 21167792]

約数ペア:

[(1, 21167792), (2, 10583896), (4, 5291948), (8, 2645974), (16, 1322987), (31, 682832), (62, 341416), (124, 170708), (248, 85354), (496, 42677)]