21085801

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 24373440

約数和(自身を除く): 3287639

約数列:

[1, 11, 19, 209, 233, 433, 2563, 4427, 4763, 8227, 48697, 90497, 100889, 1109779, 1916891, 21085801]

約数ペア:

[(1, 21085801), (11, 1916891), (19, 1109779), (209, 100889), (233, 90497), (433, 48697), (2563, 8227), (4427, 4763)]