21801180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{587}}^1\times {\mathrm{619}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 39444900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 587, 619, 1174, 1238, 1761, 1857, 2348, 2476, 2935, 3095, 3522, 3714, 5870, 6190, 7044, 7428, 8805, 9285, 11740, 12380, 17610, 18570, 35220, 37140, 363353, 726706, 1090059, 1453412, 1816765, 2180118, 3633530, 4360236, 5450295, 7267060, 10900590, 21801180]

約数ペア:

[(1, 21801180), (2, 10900590), (3, 7267060), (4, 5450295), (5, 4360236), (6, 3633530), (10, 2180118), (12, 1816765), (15, 1453412), (20, 1090059), (30, 726706), (60, 363353), (587, 37140), (619, 35220), (1174, 18570), (1238, 17610), (1761, 12380), (1857, 11740), (2348, 9285), (2476, 8805), (2935, 7428), (3095, 7044), (3522, 6190), (3714, 5870)]