21620073

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1901}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 30675456

約数和(自身を除く): 9055383

約数列:

[1, 3, 17, 51, 223, 669, 1901, 3791, 5703, 11373, 32317, 96951, 423923, 1271769, 7206691, 21620073]

約数ペア:

[(1, 21620073), (3, 7206691), (17, 1271769), (51, 423923), (223, 96951), (669, 32317), (1901, 11373), (3791, 5703)]