21030945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3719}}^1$

素因数の和:3769

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 16466655

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 3719, 5655, 11157, 18595, 48347, 55785, 107851, 145041, 241735, 323553, 539255, 725205, 1402063, 1617765, 4206189, 7010315, 21030945]

約数ペア:

[(1, 21030945), (3, 7010315), (5, 4206189), (13, 1617765), (15, 1402063), (29, 725205), (39, 539255), (65, 323553), (87, 241735), (145, 145041), (195, 107851), (377, 55785), (435, 48347), (1131, 18595), (1885, 11157), (3719, 5655)]