21274750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{12157}}^1$

素因数の和:12181

約数の個数: 32

約数和(自身を含む): 45519552

約数和(自身を除く): 24244802

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 12157, 24314, 60785, 85099, 121570, 170198, 303925, 425495, 607850, 850990, 1519625, 2127475, 3039250, 4254950, 10637375, 21274750]

約数ペア:

[(1, 21274750), (2, 10637375), (5, 4254950), (7, 3039250), (10, 2127475), (14, 1519625), (25, 850990), (35, 607850), (50, 425495), (70, 303925), (125, 170198), (175, 121570), (250, 85099), (350, 60785), (875, 24314), (1750, 12157)]