12212421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16481}}^1$

素因数の和:16516

約数の個数: 16

約数和(自身を含む): 18459840

約数和(自身を除く): 6247419

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 16481, 49443, 214253, 313139, 642759, 939417, 4070807, 12212421]

約数ペア:

[(1, 12212421), (3, 4070807), (13, 939417), (19, 642759), (39, 313139), (57, 214253), (247, 49443), (741, 16481)]