21843500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{79}}^2$

素因数の和:184

約数の個数: 72

約数和(自身を含む): 55220256

約数和(自身を除く): 33376756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 125, 140, 158, 175, 250, 316, 350, 395, 500, 553, 700, 790, 875, 1106, 1580, 1750, 1975, 2212, 2765, 3500, 3950, 5530, 6241, 7900, 9875, 11060, 12482, 13825, 19750, 24964, 27650, 31205, 39500, 43687, 55300, 62410, 69125, 87374, 124820, 138250, 156025, 174748, 218435, 276500, 312050, 436870, 624100, 780125, 873740, 1092175, 1560250, 2184350, 3120500, 4368700, 5460875, 10921750, 21843500]

約数ペア:

[(1, 21843500), (2, 10921750), (4, 5460875), (5, 4368700), (7, 3120500), (10, 2184350), (14, 1560250), (20, 1092175), (25, 873740), (28, 780125), (35, 624100), (50, 436870), (70, 312050), (79, 276500), (100, 218435), (125, 174748), (140, 156025), (158, 138250), (175, 124820), (250, 87374), (316, 69125), (350, 62410), (395, 55300), (500, 43687), (553, 39500), (700, 31205), (790, 27650), (875, 24964), (1106, 19750), (1580, 13825), (1750, 12482), (1975, 11060), (2212, 9875), (2765, 7900), (3500, 6241), (3950, 5530)]