21907067571

素因数分解:

$3^3\times {\mathrm{661}}^1\times {\mathrm{761}}^1\times {\mathrm{1613}}^1$

素因数の和:3044

約数の個数: 32

約数和(自身を含む): 32566904640

約数和(自身を除く): 10659837069

約数列:

[1, 3, 9, 27, 661, 761, 1613, 1983, 2283, 4839, 5949, 6849, 14517, 17847, 20547, 43551, 503021, 1066193, 1227493, 1509063, 3198579, 3682479, 4527189, 9595737, 11047437, 13581567, 28787211, 33142311, 811372873, 2434118619, 7302355857, 21907067571]

約数ペア:

[(1, 21907067571), (3, 7302355857), (9, 2434118619), (27, 811372873), (661, 33142311), (761, 28787211), (1613, 13581567), (1983, 11047437), (2283, 9595737), (4839, 4527189), (5949, 3682479), (6849, 3198579), (14517, 1509063), (17847, 1227493), (20547, 1066193), (43551, 503021)]