21279575521

素因数分解:

${\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{991}}^1\times {\mathrm{2089}}^1$

素因数の和:3640

約数の個数: 16

約数和(自身を含む): 22474355200

約数和(自身を除く): 1194779679

約数列:

[1, 19, 541, 991, 2089, 10279, 18829, 39691, 536131, 1130149, 2070199, 10186489, 21472831, 39333781, 1119977659, 21279575521]

約数ペア:

[(1, 21279575521), (19, 1119977659), (541, 39333781), (991, 21472831), (2089, 10186489), (10279, 2070199), (18829, 1130149), (39691, 536131)]