21238144

素因数分解:

$2^7\times {\mathrm{277}}^1\times {\mathrm{599}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 42534000

約数和(自身を除く): 21295856

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 277, 554, 599, 1108, 1198, 2216, 2396, 4432, 4792, 8864, 9584, 17728, 19168, 35456, 38336, 76672, 165923, 331846, 663692, 1327384, 2654768, 5309536, 10619072, 21238144]

約数ペア:

[(1, 21238144), (2, 10619072), (4, 5309536), (8, 2654768), (16, 1327384), (32, 663692), (64, 331846), (128, 165923), (277, 76672), (554, 38336), (599, 35456), (1108, 19168), (1198, 17728), (2216, 9584), (2396, 8864), (4432, 4792)]