21906599

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 25872000

約数和(自身を除く): 3965401

約数列:

[1, 11, 13, 143, 307, 499, 3377, 3991, 5489, 6487, 43901, 71357, 153193, 1685123, 1991509, 21906599]

約数ペア:

[(1, 21906599), (11, 1991509), (13, 1685123), (143, 153193), (307, 71357), (499, 43901), (3377, 6487), (3991, 5489)]