21141165

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 14023635

約数列:

[1, 3, 5, 15, 43, 73, 129, 215, 219, 365, 449, 645, 1095, 1347, 2245, 3139, 6735, 9417, 15695, 19307, 32777, 47085, 57921, 96535, 98331, 163885, 289605, 491655, 1409411, 4228233, 7047055, 21141165]

約数ペア:

[(1, 21141165), (3, 7047055), (5, 4228233), (15, 1409411), (43, 491655), (73, 289605), (129, 163885), (215, 98331), (219, 96535), (365, 57921), (449, 47085), (645, 32777), (1095, 19307), (1347, 15695), (2245, 9417), (3139, 6735)]