21883005

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21143}}^1$

素因数の和:21177

約数の個数: 24

約数和(自身を含む): 39581568

約数和(自身を除く): 17698563

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 21143, 63429, 105715, 190287, 317145, 486289, 951435, 1458867, 2431445, 4376601, 7294335, 21883005]

約数ペア:

[(1, 21883005), (3, 7294335), (5, 4376601), (9, 2431445), (15, 1458867), (23, 951435), (45, 486289), (69, 317145), (115, 190287), (207, 105715), (345, 63429), (1035, 21143)]