21247500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2833}}^1$

素因数の和:2860

約数の個数: 60

約数和(自身を含む): 61973912

約数和(自身を除く): 40726412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2833, 3750, 5666, 7500, 8499, 11332, 14165, 16998, 28330, 33996, 42495, 56660, 70825, 84990, 141650, 169980, 212475, 283300, 354125, 424950, 708250, 849900, 1062375, 1416500, 1770625, 2124750, 3541250, 4249500, 5311875, 7082500, 10623750, 21247500]

約数ペア:

[(1, 21247500), (2, 10623750), (3, 7082500), (4, 5311875), (5, 4249500), (6, 3541250), (10, 2124750), (12, 1770625), (15, 1416500), (20, 1062375), (25, 849900), (30, 708250), (50, 424950), (60, 354125), (75, 283300), (100, 212475), (125, 169980), (150, 141650), (250, 84990), (300, 70825), (375, 56660), (500, 42495), (625, 33996), (750, 28330), (1250, 16998), (1500, 14165), (1875, 11332), (2500, 8499), (2833, 7500), (3750, 5666)]