21729043

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 27585792

約数和(自身を除く): 5856749

約数列:

[1, 7, 17, 23, 119, 161, 289, 391, 467, 2023, 2737, 3269, 6647, 7939, 10741, 46529, 55573, 75187, 134963, 182597, 944741, 1278179, 3104149, 21729043]

約数ペア:

[(1, 21729043), (7, 3104149), (17, 1278179), (23, 944741), (119, 182597), (161, 134963), (289, 75187), (391, 55573), (467, 46529), (2023, 10741), (2737, 7939), (3269, 6647)]