21812089

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 3025031

約数列:

[1, 13, 29, 47, 377, 611, 1231, 1363, 16003, 17719, 35699, 57857, 464087, 752141, 1677853, 21812089]

約数ペア:

[(1, 21812089), (13, 1677853), (29, 752141), (47, 464087), (377, 57857), (611, 35699), (1231, 17719), (1363, 16003)]