21613196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1201}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 41396880

約数和(自身を除く): 19783684

約数列:

[1, 2, 4, 11, 22, 44, 409, 818, 1201, 1636, 2402, 4499, 4804, 8998, 13211, 17996, 26422, 52844, 491209, 982418, 1964836, 5403299, 10806598, 21613196]

約数ペア:

[(1, 21613196), (2, 10806598), (4, 5403299), (11, 1964836), (22, 982418), (44, 491209), (409, 52844), (818, 26422), (1201, 17996), (1636, 13211), (2402, 8998), (4499, 4804)]