21311500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{6089}}^1$

素因数の和:6115

約数の個数: 48

約数和(自身を含む): 53202240

約数和(自身を除く): 31890740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 6089, 12178, 24356, 30445, 42623, 60890, 85246, 121780, 152225, 170492, 213115, 304450, 426230, 608900, 761125, 852460, 1065575, 1522250, 2131150, 3044500, 4262300, 5327875, 10655750, 21311500]

約数ペア:

[(1, 21311500), (2, 10655750), (4, 5327875), (5, 4262300), (7, 3044500), (10, 2131150), (14, 1522250), (20, 1065575), (25, 852460), (28, 761125), (35, 608900), (50, 426230), (70, 304450), (100, 213115), (125, 170492), (140, 152225), (175, 121780), (250, 85246), (350, 60890), (500, 42623), (700, 30445), (875, 24356), (1750, 12178), (3500, 6089)]