21399900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{71333}}^1$

素因数の和:71350

約数の個数: 36

約数和(自身を含む): 61917912

約数和(自身を除く): 40518012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 71333, 142666, 213999, 285332, 356665, 427998, 713330, 855996, 1069995, 1426660, 1783325, 2139990, 3566650, 4279980, 5349975, 7133300, 10699950, 21399900]

約数ペア:

[(1, 21399900), (2, 10699950), (3, 7133300), (4, 5349975), (5, 4279980), (6, 3566650), (10, 2139990), (12, 1783325), (15, 1426660), (20, 1069995), (25, 855996), (30, 713330), (50, 427998), (60, 356665), (75, 285332), (100, 213999), (150, 142666), (300, 71333)]