21165914

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{823}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 39868416

約数和(自身を除く): 18702502

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 167, 334, 823, 1169, 1646, 1837, 2338, 3674, 5761, 9053, 11522, 12859, 18106, 25718, 63371, 126742, 137441, 274882, 962087, 1511851, 1924174, 3023702, 10582957, 21165914]

約数ペア:

[(1, 21165914), (2, 10582957), (7, 3023702), (11, 1924174), (14, 1511851), (22, 962087), (77, 274882), (154, 137441), (167, 126742), (334, 63371), (823, 25718), (1169, 18106), (1646, 12859), (1837, 11522), (2338, 9053), (3674, 5761)]