21169856

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4937}}^1$

素因数の和:5016

約数の個数: 28

約数和(自身を含む): 42644568

約数和(自身を除く): 21474712

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4937, 9874, 19748, 39496, 78992, 157984, 315968, 330779, 661558, 1323116, 2646232, 5292464, 10584928, 21169856]

約数ペア:

[(1, 21169856), (2, 10584928), (4, 5292464), (8, 2646232), (16, 1323116), (32, 661558), (64, 330779), (67, 315968), (134, 157984), (268, 78992), (536, 39496), (1072, 19748), (2144, 9874), (4288, 4937)]