21508701180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7627199}}^1$

素因数の和:7627258

約数の個数: 48

約数和(自身を含む): 61505740800

約数和(自身を除く): 39997039620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7627199, 15254398, 22881597, 30508796, 38135995, 45763194, 76271990, 91526388, 114407985, 152543980, 228815970, 358478353, 457631940, 716956706, 1075435059, 1433913412, 1792391765, 2150870118, 3584783530, 4301740236, 5377175295, 7169567060, 10754350590, 21508701180]

約数ペア:

[(1, 21508701180), (2, 10754350590), (3, 7169567060), (4, 5377175295), (5, 4301740236), (6, 3584783530), (10, 2150870118), (12, 1792391765), (15, 1433913412), (20, 1075435059), (30, 716956706), (47, 457631940), (60, 358478353), (94, 228815970), (141, 152543980), (188, 114407985), (235, 91526388), (282, 76271990), (470, 45763194), (564, 38135995), (705, 30508796), (940, 22881597), (1410, 15254398), (2820, 7627199)]