21747990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1117}}^1$

素因数の和:1197

約数の個数: 64

約数和(自身を含む): 57957120

約数和(自身を除く): 36209130

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 59, 66, 110, 118, 165, 177, 295, 330, 354, 590, 649, 885, 1117, 1298, 1770, 1947, 2234, 3245, 3351, 3894, 5585, 6490, 6702, 9735, 11170, 12287, 16755, 19470, 24574, 33510, 36861, 61435, 65903, 73722, 122870, 131806, 184305, 197709, 329515, 368610, 395418, 659030, 724933, 988545, 1449866, 1977090, 2174799, 3624665, 4349598, 7249330, 10873995, 21747990]

約数ペア:

[(1, 21747990), (2, 10873995), (3, 7249330), (5, 4349598), (6, 3624665), (10, 2174799), (11, 1977090), (15, 1449866), (22, 988545), (30, 724933), (33, 659030), (55, 395418), (59, 368610), (66, 329515), (110, 197709), (118, 184305), (165, 131806), (177, 122870), (295, 73722), (330, 65903), (354, 61435), (590, 36861), (649, 33510), (885, 24574), (1117, 19470), (1298, 16755), (1770, 12287), (1947, 11170), (2234, 9735), (3245, 6702), (3351, 6490), (3894, 5585)]