21120900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3061}}^1$

素因数の和:3101

約数の個数: 72

約数和(自身を含む): 63787584

約数和(自身を除く): 42666684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 345, 460, 575, 690, 1150, 1380, 1725, 2300, 3061, 3450, 6122, 6900, 9183, 12244, 15305, 18366, 30610, 36732, 45915, 61220, 70403, 76525, 91830, 140806, 153050, 183660, 211209, 229575, 281612, 306100, 352015, 422418, 459150, 704030, 844836, 918300, 1056045, 1408060, 1760075, 2112090, 3520150, 4224180, 5280225, 7040300, 10560450, 21120900]

約数ペア:

[(1, 21120900), (2, 10560450), (3, 7040300), (4, 5280225), (5, 4224180), (6, 3520150), (10, 2112090), (12, 1760075), (15, 1408060), (20, 1056045), (23, 918300), (25, 844836), (30, 704030), (46, 459150), (50, 422418), (60, 352015), (69, 306100), (75, 281612), (92, 229575), (100, 211209), (115, 183660), (138, 153050), (150, 140806), (230, 91830), (276, 76525), (300, 70403), (345, 61220), (460, 45915), (575, 36732), (690, 30610), (1150, 18366), (1380, 15305), (1725, 12244), (2300, 9183), (3061, 6900), (3450, 6122)]