21689724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258211}}^1$

素因数の和:258225

約数の個数: 24

約数和(自身を含む): 57839488

約数和(自身を除く): 36149764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258211, 516422, 774633, 1032844, 1549266, 1807477, 3098532, 3614954, 5422431, 7229908, 10844862, 21689724]

約数ペア:

[(1, 21689724), (2, 10844862), (3, 7229908), (4, 5422431), (6, 3614954), (7, 3098532), (12, 1807477), (14, 1549266), (21, 1032844), (28, 774633), (42, 516422), (84, 258211)]