21349000

素因数分解:

$2^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 51395760

約数和(自身を除く): 30046760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 125, 148, 185, 200, 250, 296, 370, 500, 577, 740, 925, 1000, 1154, 1480, 1850, 2308, 2885, 3700, 4616, 4625, 5770, 7400, 9250, 11540, 14425, 18500, 21349, 23080, 28850, 37000, 42698, 57700, 72125, 85396, 106745, 115400, 144250, 170792, 213490, 288500, 426980, 533725, 577000, 853960, 1067450, 2134900, 2668625, 4269800, 5337250, 10674500, 21349000]

約数ペア:

[(1, 21349000), (2, 10674500), (4, 5337250), (5, 4269800), (8, 2668625), (10, 2134900), (20, 1067450), (25, 853960), (37, 577000), (40, 533725), (50, 426980), (74, 288500), (100, 213490), (125, 170792), (148, 144250), (185, 115400), (200, 106745), (250, 85396), (296, 72125), (370, 57700), (500, 42698), (577, 37000), (740, 28850), (925, 23080), (1000, 21349), (1154, 18500), (1480, 14425), (1850, 11540), (2308, 9250), (2885, 7400), (3700, 5770), (4616, 4625)]