21834088510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2371}}^1\times {\mathrm{5449}}^1$

素因数の和:7853

約数の個数: 48

約数和(自身を含む): 42582855600

約数和(自身を除く): 20748767090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2371, 4742, 5449, 10898, 11855, 23710, 27245, 30823, 54490, 61646, 70837, 141674, 154115, 308230, 354185, 400699, 708370, 801398, 920881, 1841762, 2003495, 4006990, 4604405, 9208810, 12919579, 25839158, 64597895, 129195790, 167954527, 335909054, 839772635, 1679545270, 2183408851, 4366817702, 10917044255, 21834088510]

約数ペア:

[(1, 21834088510), (2, 10917044255), (5, 4366817702), (10, 2183408851), (13, 1679545270), (26, 839772635), (65, 335909054), (130, 167954527), (169, 129195790), (338, 64597895), (845, 25839158), (1690, 12919579), (2371, 9208810), (4742, 4604405), (5449, 4006990), (10898, 2003495), (11855, 1841762), (23710, 920881), (27245, 801398), (30823, 708370), (54490, 400699), (61646, 354185), (70837, 308230), (141674, 154115)]