21007674

素因数分解:

$2^1\times 3^4\times {\mathrm{103}}^1\times {\mathrm{1259}}^1$

素因数の和:1376

約数の個数: 40

約数和(自身を含む): 47567520

約数和(自身を除く): 26559846

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 103, 162, 206, 309, 618, 927, 1259, 1854, 2518, 2781, 3777, 5562, 7554, 8343, 11331, 16686, 22662, 33993, 67986, 101979, 129677, 203958, 259354, 389031, 778062, 1167093, 2334186, 3501279, 7002558, 10503837, 21007674]

約数ペア:

[(1, 21007674), (2, 10503837), (3, 7002558), (6, 3501279), (9, 2334186), (18, 1167093), (27, 778062), (54, 389031), (81, 259354), (103, 203958), (162, 129677), (206, 101979), (309, 67986), (618, 33993), (927, 22662), (1259, 16686), (1854, 11331), (2518, 8343), (2781, 7554), (3777, 5562)]