21488200

素因数分解:

$2^3\times 5^2\times {\mathrm{107441}}^1$

素因数の和:107457

約数の個数: 24

約数和(自身を含む): 49960530

約数和(自身を除く): 28472330

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 107441, 214882, 429764, 537205, 859528, 1074410, 2148820, 2686025, 4297640, 5372050, 10744100, 21488200]

約数ペア:

[(1, 21488200), (2, 10744100), (4, 5372050), (5, 4297640), (8, 2686025), (10, 2148820), (20, 1074410), (25, 859528), (40, 537205), (50, 429764), (100, 214882), (200, 107441)]