21726922

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{9521}}^1$

素因数の和:9693

約数の個数: 16

約数和(自身を含む): 37478592

約数和(自身を除く): 15751670

約数列:

[1, 2, 7, 14, 163, 326, 1141, 2282, 9521, 19042, 66647, 133294, 1551923, 3103846, 10863461, 21726922]

約数ペア:

[(1, 21726922), (2, 10863461), (7, 3103846), (14, 1551923), (163, 133294), (326, 66647), (1141, 19042), (2282, 9521)]