21625956

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 60357024

約数和(自身を除く): 38731068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 97, 99, 132, 194, 198, 291, 388, 396, 563, 582, 873, 1067, 1126, 1164, 1689, 1746, 2134, 2252, 3201, 3378, 3492, 4268, 5067, 6193, 6402, 6756, 9603, 10134, 12386, 12804, 18579, 19206, 20268, 24772, 37158, 38412, 54611, 55737, 74316, 109222, 111474, 163833, 218444, 222948, 327666, 491499, 600721, 655332, 982998, 1201442, 1802163, 1965996, 2402884, 3604326, 5406489, 7208652, 10812978, 21625956]

約数ペア:

[(1, 21625956), (2, 10812978), (3, 7208652), (4, 5406489), (6, 3604326), (9, 2402884), (11, 1965996), (12, 1802163), (18, 1201442), (22, 982998), (33, 655332), (36, 600721), (44, 491499), (66, 327666), (97, 222948), (99, 218444), (132, 163833), (194, 111474), (198, 109222), (291, 74316), (388, 55737), (396, 54611), (563, 38412), (582, 37158), (873, 24772), (1067, 20268), (1126, 19206), (1164, 18579), (1689, 12804), (1746, 12386), (2134, 10134), (2252, 9603), (3201, 6756), (3378, 6402), (3492, 6193), (4268, 5067)]