21806250

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{1163}}^1$

素因数の和:1193

約数の個数: 48

約数和(自身を含む): 54559008

約数和(自身を除く): 32752758

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1163, 1250, 1875, 2326, 3125, 3489, 3750, 5815, 6250, 6978, 9375, 11630, 17445, 18750, 29075, 34890, 58150, 87225, 145375, 174450, 290750, 436125, 726875, 872250, 1453750, 2180625, 3634375, 4361250, 7268750, 10903125, 21806250]

約数ペア:

[(1, 21806250), (2, 10903125), (3, 7268750), (5, 4361250), (6, 3634375), (10, 2180625), (15, 1453750), (25, 872250), (30, 726875), (50, 436125), (75, 290750), (125, 174450), (150, 145375), (250, 87225), (375, 58150), (625, 34890), (750, 29075), (1163, 18750), (1250, 17445), (1875, 11630), (2326, 9375), (3125, 6978), (3489, 6250), (3750, 5815)]