21000450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{733}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 52425216

約数和(自身を除く): 31424766

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 191, 382, 573, 733, 955, 1146, 1466, 1910, 2199, 2865, 3665, 4398, 4775, 5730, 7330, 9550, 10995, 14325, 18325, 21990, 28650, 36650, 54975, 109950, 140003, 280006, 420009, 700015, 840018, 1400030, 2100045, 3500075, 4200090, 7000150, 10500225, 21000450]

約数ペア:

[(1, 21000450), (2, 10500225), (3, 7000150), (5, 4200090), (6, 3500075), (10, 2100045), (15, 1400030), (25, 840018), (30, 700015), (50, 420009), (75, 280006), (150, 140003), (191, 109950), (382, 54975), (573, 36650), (733, 28650), (955, 21990), (1146, 18325), (1466, 14325), (1910, 10995), (2199, 9550), (2865, 7330), (3665, 5730), (4398, 4775)]