21756374

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{709}}^1$

素因数の和:1007

約数の個数: 16

約数和(自身を含む): 33313200

約数和(自身を除く): 11556826

約数列:

[1, 2, 67, 134, 229, 458, 709, 1418, 15343, 30686, 47503, 95006, 162361, 324722, 10878187, 21756374]

約数ペア:

[(1, 21756374), (2, 10878187), (67, 324722), (134, 162361), (229, 95006), (458, 47503), (709, 30686), (1418, 15343)]