21056250

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{1123}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 52684128

約数和(自身を除く): 31627878

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1123, 1250, 1875, 2246, 3125, 3369, 3750, 5615, 6250, 6738, 9375, 11230, 16845, 18750, 28075, 33690, 56150, 84225, 140375, 168450, 280750, 421125, 701875, 842250, 1403750, 2105625, 3509375, 4211250, 7018750, 10528125, 21056250]

約数ペア:

[(1, 21056250), (2, 10528125), (3, 7018750), (5, 4211250), (6, 3509375), (10, 2105625), (15, 1403750), (25, 842250), (30, 701875), (50, 421125), (75, 280750), (125, 168450), (150, 140375), (250, 84225), (375, 56150), (625, 33690), (750, 28075), (1123, 18750), (1250, 16845), (1875, 11230), (2246, 9375), (3125, 6738), (3369, 6250), (3750, 5615)]