21346544

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12953}}^1$

素因数の和:13064

約数の個数: 20

約数和(自身を含む): 41763696

約数和(自身を除く): 20417152

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12953, 25906, 51812, 103624, 207248, 1334159, 2668318, 5336636, 10673272, 21346544]

約数ペア:

[(1, 21346544), (2, 10673272), (4, 5336636), (8, 2668318), (16, 1334159), (103, 207248), (206, 103624), (412, 51812), (824, 25906), (1648, 12953)]