21904831

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{599}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 24696000

約数和(自身を除く): 2791169

約数列:

[1, 13, 29, 97, 377, 599, 1261, 2813, 7787, 17371, 36569, 58103, 225823, 755339, 1684987, 21904831]

約数ペア:

[(1, 21904831), (13, 1684987), (29, 755339), (97, 225823), (377, 58103), (599, 36569), (1261, 17371), (2813, 7787)]