21394020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356567}}^1$

素因数の和:356579

約数の個数: 24

約数和(自身を含む): 59903424

約数和(自身を除く): 38509404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356567, 713134, 1069701, 1426268, 1782835, 2139402, 3565670, 4278804, 5348505, 7131340, 10697010, 21394020]

約数ペア:

[(1, 21394020), (2, 10697010), (3, 7131340), (4, 5348505), (5, 4278804), (6, 3565670), (10, 2139402), (12, 1782835), (15, 1426268), (20, 1069701), (30, 713134), (60, 356567)]