21187050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1031}}^1$

素因数の和:1183

約数の個数: 48

約数和(自身を含む): 52978752

約数和(自身を除く): 31791702

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 137, 150, 274, 411, 685, 822, 1031, 1370, 2055, 2062, 3093, 3425, 4110, 5155, 6186, 6850, 10275, 10310, 15465, 20550, 25775, 30930, 51550, 77325, 141247, 154650, 282494, 423741, 706235, 847482, 1412470, 2118705, 3531175, 4237410, 7062350, 10593525, 21187050]

約数ペア:

[(1, 21187050), (2, 10593525), (3, 7062350), (5, 4237410), (6, 3531175), (10, 2118705), (15, 1412470), (25, 847482), (30, 706235), (50, 423741), (75, 282494), (137, 154650), (150, 141247), (274, 77325), (411, 51550), (685, 30930), (822, 25775), (1031, 20550), (1370, 15465), (2055, 10310), (2062, 10275), (3093, 6850), (3425, 6186), (4110, 5155)]