21787050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 54317952

約数和(自身を除く): 32530902

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 337, 431, 674, 862, 1011, 1293, 1685, 2022, 2155, 2586, 3370, 4310, 5055, 6465, 8425, 10110, 10775, 12930, 16850, 21550, 25275, 32325, 50550, 64650, 145247, 290494, 435741, 726235, 871482, 1452470, 2178705, 3631175, 4357410, 7262350, 10893525, 21787050]

約数ペア:

[(1, 21787050), (2, 10893525), (3, 7262350), (5, 4357410), (6, 3631175), (10, 2178705), (15, 1452470), (25, 871482), (30, 726235), (50, 435741), (75, 290494), (150, 145247), (337, 64650), (431, 50550), (674, 32325), (862, 25275), (1011, 21550), (1293, 16850), (1685, 12930), (2022, 10775), (2155, 10110), (2586, 8425), (3370, 6465), (4310, 5055)]