21763708

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 39054960

約数和(自身を除く): 17291252

約数列:

[1, 2, 4, 53, 106, 212, 251, 409, 502, 818, 1004, 1636, 13303, 21677, 26606, 43354, 53212, 86708, 102659, 205318, 410636, 5440927, 10881854, 21763708]

約数ペア:

[(1, 21763708), (2, 10881854), (4, 5440927), (53, 410636), (106, 205318), (212, 102659), (251, 86708), (409, 53212), (502, 43354), (818, 26606), (1004, 21677), (1636, 13303)]