21355192

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23623}}^1$

素因数の和:23742

約数の個数: 16

約数和(自身を含む): 40397040

約数和(自身を除く): 19041848

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23623, 47246, 94492, 188984, 2669399, 5338798, 10677596, 21355192]

約数ペア:

[(1, 21355192), (2, 10677596), (4, 5338798), (8, 2669399), (113, 188984), (226, 94492), (452, 47246), (904, 23623)]