21463749

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4049}}^1$

素因数の和:4105

約数の個数: 24

約数和(自身を含む): 33696000

約数和(自身を除く): 12232251

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 4049, 5301, 12147, 36441, 76931, 125519, 230793, 376557, 692379, 1129671, 2384861, 7154583, 21463749]

約数ペア:

[(1, 21463749), (3, 7154583), (9, 2384861), (19, 1129671), (31, 692379), (57, 376557), (93, 230793), (171, 125519), (279, 76931), (589, 36441), (1767, 12147), (4049, 5301)]