21909500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1511}}^1$

素因数の和:1559

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 27623620

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 1511, 2900, 3022, 3625, 6044, 7250, 7555, 14500, 15110, 30220, 37775, 43819, 75550, 87638, 151100, 175276, 188875, 219095, 377750, 438190, 755500, 876380, 1095475, 2190950, 4381900, 5477375, 10954750, 21909500]

約数ペア:

[(1, 21909500), (2, 10954750), (4, 5477375), (5, 4381900), (10, 2190950), (20, 1095475), (25, 876380), (29, 755500), (50, 438190), (58, 377750), (100, 219095), (116, 188875), (125, 175276), (145, 151100), (250, 87638), (290, 75550), (500, 43819), (580, 37775), (725, 30220), (1450, 15110), (1511, 14500), (2900, 7555), (3022, 7250), (3625, 6044)]