21725838

素因数分解:

$2^1\times 3^2\times {\mathrm{311}}^1\times {\mathrm{3881}}^1$

素因数の和:4200

約数の個数: 24

約数和(自身を含む): 47236176

約数和(自身を除く): 25510338

約数列:

[1, 2, 3, 6, 9, 18, 311, 622, 933, 1866, 2799, 3881, 5598, 7762, 11643, 23286, 34929, 69858, 1206991, 2413982, 3620973, 7241946, 10862919, 21725838]

約数ペア:

[(1, 21725838), (2, 10862919), (3, 7241946), (6, 3620973), (9, 2413982), (18, 1206991), (311, 69858), (622, 34929), (933, 23286), (1866, 11643), (2799, 7762), (3881, 5598)]