21661392

素因数分解:

$2^4\times 3^1\times {\mathrm{451279}}^1$

素因数の和:451290

約数の個数: 20

約数和(自身を含む): 55958720

約数和(自身を除く): 34297328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 451279, 902558, 1353837, 1805116, 2707674, 3610232, 5415348, 7220464, 10830696, 21661392]

約数ペア:

[(1, 21661392), (2, 10830696), (3, 7220464), (4, 5415348), (6, 3610232), (8, 2707674), (12, 1805116), (16, 1353837), (24, 902558), (48, 451279)]