21191595

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30059}}^1$

素因数の和:30114

約数の個数: 16

約数和(自身を含む): 34629120

約数和(自身を除く): 13437525

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 30059, 90177, 150295, 450885, 1412773, 4238319, 7063865, 21191595]

約数ペア:

[(1, 21191595), (3, 7063865), (5, 4238319), (15, 1412773), (47, 450885), (141, 150295), (235, 90177), (705, 30059)]