21498334

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{75169}}^1$

素因数の和:75195

約数の個数: 16

約数和(自身を含む): 37885680

約数和(自身を除く): 16387346

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 75169, 150338, 826859, 977197, 1653718, 1954394, 10749167, 21498334]

約数ペア:

[(1, 21498334), (2, 10749167), (11, 1954394), (13, 1653718), (22, 977197), (26, 826859), (143, 150338), (286, 75169)]