21646764

素因数分解:

$2^2\times 3^4\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1028

約数の個数: 60

約数和(自身を含む): 57446928

約数和(自身を除く): 35800164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 284, 324, 426, 639, 852, 941, 1278, 1882, 1917, 2556, 2823, 3764, 3834, 5646, 5751, 7668, 8469, 11292, 11502, 16938, 23004, 25407, 33876, 50814, 66811, 76221, 101628, 133622, 152442, 200433, 267244, 304884, 400866, 601299, 801732, 1202598, 1803897, 2405196, 3607794, 5411691, 7215588, 10823382, 21646764]

約数ペア:

[(1, 21646764), (2, 10823382), (3, 7215588), (4, 5411691), (6, 3607794), (9, 2405196), (12, 1803897), (18, 1202598), (27, 801732), (36, 601299), (54, 400866), (71, 304884), (81, 267244), (108, 200433), (142, 152442), (162, 133622), (213, 101628), (284, 76221), (324, 66811), (426, 50814), (639, 33876), (852, 25407), (941, 23004), (1278, 16938), (1882, 11502), (1917, 11292), (2556, 8469), (2823, 7668), (3764, 5751), (3834, 5646)]