21260750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{12149}}^1$

素因数の和:12173

約数の個数: 32

約数和(自身を含む): 45489600

約数和(自身を除く): 24228850

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 12149, 24298, 60745, 85043, 121490, 170086, 303725, 425215, 607450, 850430, 1518625, 2126075, 3037250, 4252150, 10630375, 21260750]

約数ペア:

[(1, 21260750), (2, 10630375), (5, 4252150), (7, 3037250), (10, 2126075), (14, 1518625), (25, 850430), (35, 607450), (50, 425215), (70, 303725), (125, 170086), (175, 121490), (250, 85043), (350, 60745), (875, 24298), (1750, 12149)]