21893080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49757}}^1$

素因数の和:49779

約数の個数: 32

約数和(自身を含む): 53738640

約数和(自身を除く): 31845560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49757, 99514, 199028, 248785, 398056, 497570, 547327, 995140, 1094654, 1990280, 2189308, 2736635, 4378616, 5473270, 10946540, 21893080]

約数ペア:

[(1, 21893080), (2, 10946540), (4, 5473270), (5, 4378616), (8, 2736635), (10, 2189308), (11, 1990280), (20, 1094654), (22, 995140), (40, 547327), (44, 497570), (55, 398056), (88, 248785), (110, 199028), (220, 99514), (440, 49757)]