21534416

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:363

約数の個数: 40

約数和(自身を含む): 42943680

約数和(自身を除く): 21409264

約数列:

[1, 2, 4, 8, 16, 73, 103, 146, 179, 206, 292, 358, 412, 584, 716, 824, 1168, 1432, 1648, 2864, 7519, 13067, 15038, 18437, 26134, 30076, 36874, 52268, 60152, 73748, 104536, 120304, 147496, 209072, 294992, 1345901, 2691802, 5383604, 10767208, 21534416]

約数ペア:

[(1, 21534416), (2, 10767208), (4, 5383604), (8, 2691802), (16, 1345901), (73, 294992), (103, 209072), (146, 147496), (179, 120304), (206, 104536), (292, 73748), (358, 60152), (412, 52268), (584, 36874), (716, 30076), (824, 26134), (1168, 18437), (1432, 15038), (1648, 13067), (2864, 7519)]