21724742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2192

約数の個数: 32

約数和(自身を含む): 38791872

約数和(自身を除く): 17067130

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 2137, 4274, 5083, 10166, 27781, 36329, 49151, 55562, 72658, 98302, 472277, 638963, 835567, 944554, 1277926, 1671134, 10862371, 21724742]

約数ペア:

[(1, 21724742), (2, 10862371), (13, 1671134), (17, 1277926), (23, 944554), (26, 835567), (34, 638963), (46, 472277), (221, 98302), (299, 72658), (391, 55562), (442, 49151), (598, 36329), (782, 27781), (2137, 10166), (4274, 5083)]