21497866250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{15073}}^1$

素因数の和:15265

約数の個数: 80

約数和(自身を含む): 46337717184

約数和(自身を除く): 24839850934

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 163, 175, 250, 326, 350, 625, 815, 875, 1141, 1250, 1630, 1750, 2282, 4075, 4375, 5705, 8150, 8750, 11410, 15073, 20375, 28525, 30146, 40750, 57050, 75365, 101875, 105511, 142625, 150730, 203750, 211022, 285250, 376825, 527555, 713125, 753650, 1055110, 1426250, 1884125, 2456899, 2637775, 3768250, 4913798, 5275550, 9420625, 12284495, 13188875, 17198293, 18841250, 24568990, 26377750, 34396586, 61422475, 65944375, 85991465, 122844950, 131888750, 171982930, 307112375, 429957325, 614224750, 859914650, 1535561875, 2149786625, 3071123750, 4299573250, 10748933125, 21497866250]

約数ペア:

[(1, 21497866250), (2, 10748933125), (5, 4299573250), (7, 3071123750), (10, 2149786625), (14, 1535561875), (25, 859914650), (35, 614224750), (50, 429957325), (70, 307112375), (125, 171982930), (163, 131888750), (175, 122844950), (250, 85991465), (326, 65944375), (350, 61422475), (625, 34396586), (815, 26377750), (875, 24568990), (1141, 18841250), (1250, 17198293), (1630, 13188875), (1750, 12284495), (2282, 9420625), (4075, 5275550), (4375, 4913798), (5705, 3768250), (8150, 2637775), (8750, 2456899), (11410, 1884125), (15073, 1426250), (20375, 1055110), (28525, 753650), (30146, 713125), (40750, 527555), (57050, 376825), (75365, 285250), (101875, 211022), (105511, 203750), (142625, 150730)]