21789660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363161}}^1$

素因数の和:363173

約数の個数: 24

約数和(自身を含む): 61011216

約数和(自身を除く): 39221556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363161, 726322, 1089483, 1452644, 1815805, 2178966, 3631610, 4357932, 5447415, 7263220, 10894830, 21789660]

約数ペア:

[(1, 21789660), (2, 10894830), (3, 7263220), (4, 5447415), (5, 4357932), (6, 3631610), (10, 2178966), (12, 1815805), (15, 1452644), (20, 1089483), (30, 726322), (60, 363161)]