21002460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1759}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 59136000

約数和(自身を除く): 38133540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1759, 1990, 2388, 2985, 3518, 3980, 5277, 5970, 7036, 8795, 10554, 11940, 17590, 21108, 26385, 35180, 52770, 105540, 350041, 700082, 1050123, 1400164, 1750205, 2100246, 3500410, 4200492, 5250615, 7000820, 10501230, 21002460]

約数ペア:

[(1, 21002460), (2, 10501230), (3, 7000820), (4, 5250615), (5, 4200492), (6, 3500410), (10, 2100246), (12, 1750205), (15, 1400164), (20, 1050123), (30, 700082), (60, 350041), (199, 105540), (398, 52770), (597, 35180), (796, 26385), (995, 21108), (1194, 17590), (1759, 11940), (1990, 10554), (2388, 8795), (2985, 7036), (3518, 5970), (3980, 5277)]