21863412

素因数分解:

$2^2\times 3^3\times {\mathrm{97}}^1\times {\mathrm{2087}}^1$

素因数の和:2197

約数の個数: 48

約数和(自身を含む): 57294720

約数和(自身を除く): 35431308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 97, 108, 194, 291, 388, 582, 873, 1164, 1746, 2087, 2619, 3492, 4174, 5238, 6261, 8348, 10476, 12522, 18783, 25044, 37566, 56349, 75132, 112698, 202439, 225396, 404878, 607317, 809756, 1214634, 1821951, 2429268, 3643902, 5465853, 7287804, 10931706, 21863412]

約数ペア:

[(1, 21863412), (2, 10931706), (3, 7287804), (4, 5465853), (6, 3643902), (9, 2429268), (12, 1821951), (18, 1214634), (27, 809756), (36, 607317), (54, 404878), (97, 225396), (108, 202439), (194, 112698), (291, 75132), (388, 56349), (582, 37566), (873, 25044), (1164, 18783), (1746, 12522), (2087, 10476), (2619, 8348), (3492, 6261), (4174, 5238)]