21613779

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{937}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 34240752

約数和(自身を除く): 12626973

約数列:

[1, 3, 9, 11, 33, 99, 233, 699, 937, 2097, 2563, 2811, 7689, 8433, 10307, 23067, 30921, 92763, 218321, 654963, 1964889, 2401531, 7204593, 21613779]

約数ペア:

[(1, 21613779), (3, 7204593), (9, 2401531), (11, 1964889), (33, 654963), (99, 218321), (233, 92763), (699, 30921), (937, 23067), (2097, 10307), (2563, 8433), (2811, 7689)]