21893091

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{2161}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 31963008

約数和(自身を除く): 10069917

約数列:

[1, 3, 11, 33, 307, 921, 2161, 3377, 6483, 10131, 23771, 71313, 663427, 1990281, 7297697, 21893091]

約数ペア:

[(1, 21893091), (3, 7297697), (11, 1990281), (33, 663427), (307, 71313), (921, 23771), (2161, 10131), (3377, 6483)]