21093880

素因数分解:

$2^3\times 5^1\times {\mathrm{527347}}^1$

素因数の和:527358

約数の個数: 16

約数和(自身を含む): 47461320

約数和(自身を除く): 26367440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527347, 1054694, 2109388, 2636735, 4218776, 5273470, 10546940, 21093880]

約数ペア:

[(1, 21093880), (2, 10546940), (4, 5273470), (5, 4218776), (8, 2636735), (10, 2109388), (20, 1054694), (40, 527347)]