21463939

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2273}}^1$

素因数の和:2370

約数の個数: 16

約数和(自身を含む): 26196480

約数和(自身を除く): 4732541

約数列:

[1, 7, 19, 71, 133, 497, 1349, 2273, 9443, 15911, 43187, 161383, 302309, 1129681, 3066277, 21463939]

約数ペア:

[(1, 21463939), (7, 3066277), (19, 1129681), (71, 302309), (133, 161383), (497, 43187), (1349, 15911), (2273, 9443)]