2021111055

素因数分解:

$3^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{18191}}^1$

素因数の和:19028

約数の個数: 32

約数和(自身を含む): 3597649920

約数和(自身を除く): 1576538865

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 823, 2469, 4115, 7407, 12345, 18191, 22221, 37035, 54573, 90955, 111105, 163719, 272865, 491157, 818595, 2455785, 14971193, 44913579, 74855965, 134740737, 224567895, 404222211, 673703685, 2021111055]

約数ペア:

[(1, 2021111055), (3, 673703685), (5, 404222211), (9, 224567895), (15, 134740737), (27, 74855965), (45, 44913579), (135, 14971193), (823, 2455785), (2469, 818595), (4115, 491157), (7407, 272865), (12345, 163719), (18191, 111105), (22221, 90955), (37035, 54573)]