21500500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{6143}}^1$

素因数の和:6169

約数の個数: 48

約数和(自身を含む): 53673984

約数和(自身を除く): 32173484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 6143, 12286, 24572, 30715, 43001, 61430, 86002, 122860, 153575, 172004, 215005, 307150, 430010, 614300, 767875, 860020, 1075025, 1535750, 2150050, 3071500, 4300100, 5375125, 10750250, 21500500]

約数ペア:

[(1, 21500500), (2, 10750250), (4, 5375125), (5, 4300100), (7, 3071500), (10, 2150050), (14, 1535750), (20, 1075025), (25, 860020), (28, 767875), (35, 614300), (50, 430010), (70, 307150), (100, 215005), (125, 172004), (140, 153575), (175, 122860), (250, 86002), (350, 61430), (500, 43001), (700, 30715), (875, 24572), (1750, 12286), (3500, 6143)]