21878604

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{55249}}^1$

素因数の和:55270

約数の個数: 36

約数和(自身を含む): 60333000

約数和(自身を除く): 38454396

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 55249, 110498, 165747, 220996, 331494, 497241, 607739, 662988, 994482, 1215478, 1823217, 1988964, 2430956, 3646434, 5469651, 7292868, 10939302, 21878604]

約数ペア:

[(1, 21878604), (2, 10939302), (3, 7292868), (4, 5469651), (6, 3646434), (9, 2430956), (11, 1988964), (12, 1823217), (18, 1215478), (22, 994482), (33, 662988), (36, 607739), (44, 497241), (66, 331494), (99, 220996), (132, 165747), (198, 110498), (396, 55249)]