21044432

素因数分解:

$2^4\times {\mathrm{67}}^2\times {\mathrm{293}}^1$

素因数の和:435

約数の個数: 30

約数和(自身を含む): 41532498

約数和(自身を除く): 20488066

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 293, 536, 586, 1072, 1172, 2344, 4489, 4688, 8978, 17956, 19631, 35912, 39262, 71824, 78524, 157048, 314096, 1315277, 2630554, 5261108, 10522216, 21044432]

約数ペア:

[(1, 21044432), (2, 10522216), (4, 5261108), (8, 2630554), (16, 1315277), (67, 314096), (134, 157048), (268, 78524), (293, 71824), (536, 39262), (586, 35912), (1072, 19631), (1172, 17956), (2344, 8978), (4489, 4688)]