21812038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{1061}}^1$

素因数の和:1623

約数の個数: 16

約数和(自身を含む): 34536240

約数和(自身を除く): 12724202

約数列:

[1, 2, 19, 38, 541, 1061, 1082, 2122, 10279, 20159, 20558, 40318, 574001, 1148002, 10906019, 21812038]

約数ペア:

[(1, 21812038), (2, 10906019), (19, 1148002), (38, 574001), (541, 40318), (1061, 20558), (1082, 20159), (2122, 10279)]