21041306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73571}}^1$

素因数の和:73597

約数の個数: 16

約数和(自身を含む): 37080288

約数和(自身を除く): 16038982

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73571, 147142, 809281, 956423, 1618562, 1912846, 10520653, 21041306]

約数ペア:

[(1, 21041306), (2, 10520653), (11, 1912846), (13, 1618562), (22, 956423), (26, 809281), (143, 147142), (286, 73571)]