21000612317

素因数分解:

${\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1\times {\mathrm{9491}}^1$

素因数の和:10180

約数の個数: 16

約数和(自身を含む): 21880502784

約数和(自身を除く): 879890467

約数列:

[1, 31, 137, 521, 4247, 9491, 16151, 71377, 294221, 1300267, 2212687, 4944811, 40308277, 153289141, 677439107, 21000612317]

約数ペア:

[(1, 21000612317), (31, 677439107), (137, 153289141), (521, 40308277), (4247, 4944811), (9491, 2212687), (16151, 1300267), (71377, 294221)]