21127350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2385

約数の個数: 48

約数和(自身を含む): 53277840

約数和(自身を除く): 32150490

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 2309, 3050, 4575, 4618, 6927, 9150, 11545, 13854, 23090, 34635, 57725, 69270, 115450, 140849, 173175, 281698, 346350, 422547, 704245, 845094, 1408490, 2112735, 3521225, 4225470, 7042450, 10563675, 21127350]

約数ペア:

[(1, 21127350), (2, 10563675), (3, 7042450), (5, 4225470), (6, 3521225), (10, 2112735), (15, 1408490), (25, 845094), (30, 704245), (50, 422547), (61, 346350), (75, 281698), (122, 173175), (150, 140849), (183, 115450), (305, 69270), (366, 57725), (610, 34635), (915, 23090), (1525, 13854), (1830, 11545), (2309, 9150), (3050, 6927), (4575, 4618)]