21226625

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 10851967

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 175, 425, 595, 875, 1427, 2125, 2975, 7135, 9989, 14875, 24259, 35675, 49945, 121295, 169813, 178375, 249725, 606475, 849065, 1248625, 3032375, 4245325, 21226625]

約数ペア:

[(1, 21226625), (5, 4245325), (7, 3032375), (17, 1248625), (25, 849065), (35, 606475), (85, 249725), (119, 178375), (125, 169813), (175, 121295), (425, 49945), (595, 35675), (875, 24259), (1427, 14875), (2125, 9989), (2975, 7135)]