21106216

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8429}}^1$

素因数の和:8748

約数の個数: 16

約数和(自身を含む): 39705300

約数和(自身を除く): 18599084

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8429, 16858, 33716, 67432, 2638277, 5276554, 10553108, 21106216]

約数ペア:

[(1, 21106216), (2, 10553108), (4, 5276554), (8, 2638277), (313, 67432), (626, 33716), (1252, 16858), (2504, 8429)]