21831250

素因数分解:

$2^1\times 5^5\times 7^1\times {\mathrm{499}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 46872000

約数和(自身を除く): 25040750

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 499, 625, 875, 998, 1250, 1750, 2495, 3125, 3493, 4375, 4990, 6250, 6986, 8750, 12475, 17465, 21875, 24950, 34930, 43750, 62375, 87325, 124750, 174650, 311875, 436625, 623750, 873250, 1559375, 2183125, 3118750, 4366250, 10915625, 21831250]

約数ペア:

[(1, 21831250), (2, 10915625), (5, 4366250), (7, 3118750), (10, 2183125), (14, 1559375), (25, 873250), (35, 623750), (50, 436625), (70, 311875), (125, 174650), (175, 124750), (250, 87325), (350, 62375), (499, 43750), (625, 34930), (875, 24950), (998, 21875), (1250, 17465), (1750, 12475), (2495, 8750), (3125, 6986), (3493, 6250), (4375, 4990)]