21459266900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1423}}^1\times {\mathrm{7937}}^1$

素因数の和:9393

約数の個数: 72

約数和(自身を含む): 49058110080

約数和(自身を除く): 27598843180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1423, 1900, 2846, 5692, 7115, 7937, 14230, 15874, 27037, 28460, 31748, 35575, 39685, 54074, 71150, 79370, 108148, 135185, 142300, 150803, 158740, 198425, 270370, 301606, 396850, 540740, 603212, 675925, 754015, 793700, 1351850, 1508030, 2703700, 3016060, 3770075, 7540150, 11294351, 15080300, 22588702, 45177404, 56471755, 112943510, 214592669, 225887020, 282358775, 429185338, 564717550, 858370676, 1072963345, 1129435100, 2145926690, 4291853380, 5364816725, 10729633450, 21459266900]

約数ペア:

[(1, 21459266900), (2, 10729633450), (4, 5364816725), (5, 4291853380), (10, 2145926690), (19, 1129435100), (20, 1072963345), (25, 858370676), (38, 564717550), (50, 429185338), (76, 282358775), (95, 225887020), (100, 214592669), (190, 112943510), (380, 56471755), (475, 45177404), (950, 22588702), (1423, 15080300), (1900, 11294351), (2846, 7540150), (5692, 3770075), (7115, 3016060), (7937, 2703700), (14230, 1508030), (15874, 1351850), (27037, 793700), (28460, 754015), (31748, 675925), (35575, 603212), (39685, 540740), (54074, 396850), (71150, 301606), (79370, 270370), (108148, 198425), (135185, 158740), (142300, 150803)]