21575655

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4243}}^1$

素因数の和:4367

約数の個数: 24

約数和(自身を含む): 37737648

約数和(自身を除く): 16161993

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 4243, 5085, 12729, 21215, 38187, 63645, 190935, 479459, 1438377, 2397295, 4315131, 7191885, 21575655]

約数ペア:

[(1, 21575655), (3, 7191885), (5, 4315131), (9, 2397295), (15, 1438377), (45, 479459), (113, 190935), (339, 63645), (565, 38187), (1017, 21215), (1695, 12729), (4243, 5085)]