21260100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{70867}}^1$

素因数の和:70884

約数の個数: 36

約数和(自身を含む): 61513424

約数和(自身を除く): 40253324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 70867, 141734, 212601, 283468, 354335, 425202, 708670, 850404, 1063005, 1417340, 1771675, 2126010, 3543350, 4252020, 5315025, 7086700, 10630050, 21260100]

約数ペア:

[(1, 21260100), (2, 10630050), (3, 7086700), (4, 5315025), (5, 4252020), (6, 3543350), (10, 2126010), (12, 1771675), (15, 1417340), (20, 1063005), (25, 850404), (30, 708670), (50, 425202), (60, 354335), (75, 283468), (100, 212601), (150, 141734), (300, 70867)]