21500850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20477}}^1$

素因数の和:20499

約数の個数: 48

約数和(自身を含む): 60942528

約数和(自身を除く): 39441678

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20477, 40954, 61431, 102385, 122862, 143339, 204770, 286678, 307155, 430017, 511925, 614310, 716695, 860034, 1023850, 1433390, 1535775, 2150085, 3071550, 3583475, 4300170, 7166950, 10750425, 21500850]

約数ペア:

[(1, 21500850), (2, 10750425), (3, 7166950), (5, 4300170), (6, 3583475), (7, 3071550), (10, 2150085), (14, 1535775), (15, 1433390), (21, 1023850), (25, 860034), (30, 716695), (35, 614310), (42, 511925), (50, 430017), (70, 307155), (75, 286678), (105, 204770), (150, 143339), (175, 122862), (210, 102385), (350, 61431), (525, 40954), (1050, 20477)]