21791142

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{3019}}^1$

素因数の和:3428

約数の個数: 24

約数和(自身を含む): 47347560

約数和(自身を除く): 25556418

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 3019, 3609, 6038, 7218, 9057, 18114, 27171, 54342, 1210619, 2421238, 3631857, 7263714, 10895571, 21791142]

約数ペア:

[(1, 21791142), (2, 10895571), (3, 7263714), (6, 3631857), (9, 2421238), (18, 1210619), (401, 54342), (802, 27171), (1203, 18114), (2406, 9057), (3019, 7218), (3609, 6038)]