21199020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353317}}^1$

素因数の和:353329

約数の個数: 24

約数和(自身を含む): 59357424

約数和(自身を除く): 38158404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353317, 706634, 1059951, 1413268, 1766585, 2119902, 3533170, 4239804, 5299755, 7066340, 10599510, 21199020]

約数ペア:

[(1, 21199020), (2, 10599510), (3, 7066340), (4, 5299755), (5, 4239804), (6, 3533170), (10, 2119902), (12, 1766585), (15, 1413268), (20, 1059951), (30, 706634), (60, 353317)]