16921355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^2$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 23140080

約数和(自身を除く): 6218725

約数列:

[1, 5, 11, 29, 55, 103, 145, 319, 515, 1133, 1595, 2987, 5665, 10609, 14935, 32857, 53045, 116699, 164285, 307661, 583495, 1538305, 3384271, 16921355]

約数ペア:

[(1, 16921355), (5, 3384271), (11, 1538305), (29, 583495), (55, 307661), (103, 164285), (145, 116699), (319, 53045), (515, 32857), (1133, 14935), (1595, 10609), (2987, 5665)]