1321021570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{27109}}^1$

素因数の和:27570

約数の個数: 32

約数和(自身を含む): 2599957440

約数和(自身を除く): 1278935870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 443, 886, 2215, 4430, 4873, 9746, 24365, 27109, 48730, 54218, 135545, 271090, 298199, 596398, 1490995, 2981990, 12009287, 24018574, 60046435, 120092870, 132102157, 264204314, 660510785, 1321021570]

約数ペア:

[(1, 1321021570), (2, 660510785), (5, 264204314), (10, 132102157), (11, 120092870), (22, 60046435), (55, 24018574), (110, 12009287), (443, 2981990), (886, 1490995), (2215, 596398), (4430, 298199), (4873, 271090), (9746, 135545), (24365, 54218), (27109, 48730)]