21653686

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1123}}^1$

素因数の和:1467

約数の個数: 16

約数和(自身を含む): 33666048

約数和(自身を除く): 12012362

約数列:

[1, 2, 31, 62, 311, 622, 1123, 2246, 9641, 19282, 34813, 69626, 349253, 698506, 10826843, 21653686]

約数ペア:

[(1, 21653686), (2, 10826843), (31, 698506), (62, 349253), (311, 69626), (622, 34813), (1123, 19282), (2246, 9641)]