21338776

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 41292000

約数和(自身を除く): 19953224

約数列:

[1, 2, 4, 8, 61, 73, 122, 146, 244, 292, 488, 584, 599, 1198, 2396, 4453, 4792, 8906, 17812, 35624, 36539, 43727, 73078, 87454, 146156, 174908, 292312, 349816, 2667347, 5334694, 10669388, 21338776]

約数ペア:

[(1, 21338776), (2, 10669388), (4, 5334694), (8, 2667347), (61, 349816), (73, 292312), (122, 174908), (146, 146156), (244, 87454), (292, 73078), (488, 43727), (584, 36539), (599, 35624), (1198, 17812), (2396, 8906), (4453, 4792)]