21979245

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{50527}}^1$

素因数の和:50564

約数の個数: 16

約数和(自身を含む): 36380160

約数和(自身を除く): 14400915

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 50527, 151581, 252635, 757905, 1465283, 4395849, 7326415, 21979245]

約数ペア:

[(1, 21979245), (3, 7326415), (5, 4395849), (15, 1465283), (29, 757905), (87, 252635), (145, 151581), (435, 50527)]