21026733

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{11003}}^1$

素因数の和:11033

約数の個数: 24

約数和(自身を含む): 35124768

約数和(自身を除く): 14098035

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 11003, 33009, 77021, 143039, 231063, 429117, 539147, 1001273, 1617441, 3003819, 7008911, 21026733]

約数ペア:

[(1, 21026733), (3, 7008911), (7, 3003819), (13, 1617441), (21, 1001273), (39, 539147), (49, 429117), (91, 231063), (147, 143039), (273, 77021), (637, 33009), (1911, 11003)]