21759959

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2381}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 25344480

約数和(自身を除く): 3584521

約数列:

[1, 13, 19, 37, 247, 481, 703, 2381, 9139, 30953, 45239, 88097, 588107, 1145261, 1673843, 21759959]

約数ペア:

[(1, 21759959), (13, 1673843), (19, 1145261), (37, 588107), (247, 88097), (481, 45239), (703, 30953), (2381, 9139)]