21170630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12527}}^1$

素因数の和:12560

約数の個数: 24

約数和(自身を含む): 41267232

約数和(自身を除く): 20096602

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 12527, 25054, 62635, 125270, 162851, 325702, 814255, 1628510, 2117063, 4234126, 10585315, 21170630]

約数ペア:

[(1, 21170630), (2, 10585315), (5, 4234126), (10, 2117063), (13, 1628510), (26, 814255), (65, 325702), (130, 162851), (169, 125270), (338, 62635), (845, 25054), (1690, 12527)]