21020238734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1\times {\mathrm{8161}}^1$

素因数の和:8321

約数の個数: 48

約数和(自身を含む): 35811656496

約数和(自身を除く): 14791417762

約数列:

[1, 2, 11, 22, 47, 53, 94, 106, 517, 583, 1034, 1166, 2209, 2491, 4418, 4982, 8161, 16322, 24299, 27401, 48598, 54802, 89771, 117077, 179542, 234154, 383567, 432533, 767134, 865066, 1287847, 2575694, 4219237, 4757863, 8438474, 9515726, 18027649, 20329051, 36055298, 40658102, 198304139, 223619561, 396608278, 447239122, 955465397, 1910930794, 10510119367, 21020238734]

約数ペア:

[(1, 21020238734), (2, 10510119367), (11, 1910930794), (22, 955465397), (47, 447239122), (53, 396608278), (94, 223619561), (106, 198304139), (517, 40658102), (583, 36055298), (1034, 20329051), (1166, 18027649), (2209, 9515726), (2491, 8438474), (4418, 4757863), (4982, 4219237), (8161, 2575694), (16322, 1287847), (24299, 865066), (27401, 767134), (48598, 432533), (54802, 383567), (89771, 234154), (117077, 179542)]