21579635

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2437}}^1$

素因数の和:2483

約数の個数: 32

約数和(自身を含む): 33702912

約数和(自身を除く): 12123277

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2437, 8855, 12185, 17059, 26807, 56051, 85295, 134035, 187649, 280255, 392357, 616561, 938245, 1961785, 3082805, 4315927, 21579635]

約数ペア:

[(1, 21579635), (5, 4315927), (7, 3082805), (11, 1961785), (23, 938245), (35, 616561), (55, 392357), (77, 280255), (115, 187649), (161, 134035), (253, 85295), (385, 56051), (805, 26807), (1265, 17059), (1771, 12185), (2437, 8855)]