21383030

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4679}}^1$

素因数の和:5143

約数の個数: 16

約数和(自身を含む): 38581920

約数和(自身を除く): 17198890

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 4679, 9358, 23395, 46790, 2138303, 4276606, 10691515, 21383030]

約数ペア:

[(1, 21383030), (2, 10691515), (5, 4276606), (10, 2138303), (457, 46790), (914, 23395), (2285, 9358), (4570, 4679)]