21908888

素因数分解:

$2^3\times {\mathrm{229}}^1\times {\mathrm{11959}}^1$

素因数の和:12194

約数の個数: 16

約数和(自身を含む): 41262000

約数和(自身を除く): 19353112

約数列:

[1, 2, 4, 8, 229, 458, 916, 1832, 11959, 23918, 47836, 95672, 2738611, 5477222, 10954444, 21908888]

約数ペア:

[(1, 21908888), (2, 10954444), (4, 5477222), (8, 2738611), (229, 95672), (458, 47836), (916, 23918), (1832, 11959)]