21666200

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{853}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 50830080

約数和(自身を除く): 29163880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 508, 635, 853, 1016, 1270, 1706, 2540, 3175, 3412, 4265, 5080, 6350, 6824, 8530, 12700, 17060, 21325, 25400, 34120, 42650, 85300, 108331, 170600, 216662, 433324, 541655, 866648, 1083310, 2166620, 2708275, 4333240, 5416550, 10833100, 21666200]

約数ペア:

[(1, 21666200), (2, 10833100), (4, 5416550), (5, 4333240), (8, 2708275), (10, 2166620), (20, 1083310), (25, 866648), (40, 541655), (50, 433324), (100, 216662), (127, 170600), (200, 108331), (254, 85300), (508, 42650), (635, 34120), (853, 25400), (1016, 21325), (1270, 17060), (1706, 12700), (2540, 8530), (3175, 6824), (3412, 6350), (4265, 5080)]