21811046

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1379

約数の個数: 16

約数和(自身を含む): 33472320

約数和(自身を除く): 11661274

約数列:

[1, 2, 67, 134, 139, 278, 1171, 2342, 9313, 18626, 78457, 156914, 162769, 325538, 10905523, 21811046]

約数ペア:

[(1, 21811046), (2, 10905523), (67, 325538), (134, 162769), (139, 156914), (278, 78457), (1171, 18626), (2342, 9313)]