21322250785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1609}}^1\times {\mathrm{240943}}^1$

素因数の和:242568

約数の個数: 16

約数和(自身を含む): 27930228480

約数和(自身を除く): 6607977695

約数列:

[1, 5, 11, 55, 1609, 8045, 17699, 88495, 240943, 1204715, 2650373, 13251865, 387677287, 1938386435, 4264450157, 21322250785]

約数ペア:

[(1, 21322250785), (5, 4264450157), (11, 1938386435), (55, 387677287), (1609, 13251865), (8045, 2650373), (17699, 1204715), (88495, 240943)]