21350040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177917}}^1$

素因数の和:177931

約数の個数: 32

約数和(自身を含む): 64050480

約数和(自身を除く): 42700440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177917, 355834, 533751, 711668, 889585, 1067502, 1423336, 1779170, 2135004, 2668755, 3558340, 4270008, 5337510, 7116680, 10675020, 21350040]

約数ペア:

[(1, 21350040), (2, 10675020), (3, 7116680), (4, 5337510), (5, 4270008), (6, 3558340), (8, 2668755), (10, 2135004), (12, 1779170), (15, 1423336), (20, 1067502), (24, 889585), (30, 711668), (40, 533751), (60, 355834), (120, 177917)]