21680893

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 24393600

約数和(自身を除く): 2712707

約数列:

[1, 13, 29, 131, 377, 439, 1703, 3799, 5707, 12731, 49387, 57509, 165503, 747617, 1667761, 21680893]

約数ペア:

[(1, 21680893), (13, 1667761), (29, 747617), (131, 165503), (377, 57509), (439, 49387), (1703, 12731), (3799, 5707)]