21296055

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6793}}^1$

素因数の和:6831

約数の個数: 32

約数和(自身を含む): 39133440

約数和(自身を除く): 17837385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6793, 20379, 33965, 74723, 101895, 129067, 224169, 373615, 387201, 645335, 1120845, 1419737, 1936005, 4259211, 7098685, 21296055]

約数ペア:

[(1, 21296055), (3, 7098685), (5, 4259211), (11, 1936005), (15, 1419737), (19, 1120845), (33, 645335), (55, 387201), (57, 373615), (95, 224169), (165, 129067), (209, 101895), (285, 74723), (627, 33965), (1045, 20379), (3135, 6793)]