21689106

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 44429568

約数和(自身を除く): 22740462

約数列:

[1, 2, 3, 6, 67, 134, 163, 201, 326, 331, 402, 489, 662, 978, 993, 1986, 10921, 21842, 22177, 32763, 44354, 53953, 65526, 66531, 107906, 133062, 161859, 323718, 3614851, 7229702, 10844553, 21689106]

約数ペア:

[(1, 21689106), (2, 10844553), (3, 7229702), (6, 3614851), (67, 323718), (134, 161859), (163, 133062), (201, 107906), (326, 66531), (331, 65526), (402, 53953), (489, 44354), (662, 32763), (978, 22177), (993, 21842), (1986, 10921)]