21104048

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3089}}^1$

素因数の和:3165

約数の個数: 40

約数和(自身を含む): 47511840

約数和(自身を除く): 26407792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3089, 3416, 6178, 6832, 12356, 21623, 24712, 43246, 49424, 86492, 172984, 188429, 345968, 376858, 753716, 1319003, 1507432, 2638006, 3014864, 5276012, 10552024, 21104048]

約数ペア:

[(1, 21104048), (2, 10552024), (4, 5276012), (7, 3014864), (8, 2638006), (14, 1507432), (16, 1319003), (28, 753716), (56, 376858), (61, 345968), (112, 188429), (122, 172984), (244, 86492), (427, 49424), (488, 43246), (854, 24712), (976, 21623), (1708, 12356), (3089, 6832), (3416, 6178)]