21996182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2131}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 35638512

約数和(自身を除く): 13642330

約数列:

[1, 2, 13, 26, 397, 794, 2131, 4262, 5161, 10322, 27703, 55406, 846007, 1692014, 10998091, 21996182]

約数ペア:

[(1, 21996182), (2, 10998091), (13, 1692014), (26, 846007), (397, 55406), (794, 27703), (2131, 10322), (4262, 5161)]