21375556

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{821}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 39219264

約数和(自身を除く): 17843708

約数列:

[1, 2, 4, 23, 46, 92, 283, 566, 821, 1132, 1642, 3284, 6509, 13018, 18883, 26036, 37766, 75532, 232343, 464686, 929372, 5343889, 10687778, 21375556]

約数ペア:

[(1, 21375556), (2, 10687778), (4, 5343889), (23, 929372), (46, 464686), (92, 232343), (283, 75532), (566, 37766), (821, 26036), (1132, 18883), (1642, 13018), (3284, 6509)]