21244185

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24847}}^1$

素因数の和:24877

約数の個数: 24

約数和(自身を含む): 38762880

約数和(自身を除く): 17518695

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 24847, 74541, 124235, 223623, 372705, 472093, 1118115, 1416279, 2360465, 4248837, 7081395, 21244185]

約数ペア:

[(1, 21244185), (3, 7081395), (5, 4248837), (9, 2360465), (15, 1416279), (19, 1118115), (45, 472093), (57, 372705), (95, 223623), (171, 124235), (285, 74541), (855, 24847)]