21990222

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{39409}}^1$

素因数の和:39448

約数の個数: 24

約数和(自身を含む): 49183680

約数和(自身を除く): 27193458

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 39409, 78818, 118227, 236454, 354681, 709362, 1221679, 2443358, 3665037, 7330074, 10995111, 21990222]

約数ペア:

[(1, 21990222), (2, 10995111), (3, 7330074), (6, 3665037), (9, 2443358), (18, 1221679), (31, 709362), (62, 354681), (93, 236454), (186, 118227), (279, 78818), (558, 39409)]