21076952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4943}}^1$

素因数の和:5003

約数の個数: 32

約数和(自身を含む): 43606080

約数和(自身を除く): 22529128

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4943, 9886, 19772, 39544, 64259, 128518, 202663, 257036, 405326, 514072, 810652, 1621304, 2634619, 5269238, 10538476, 21076952]

約数ペア:

[(1, 21076952), (2, 10538476), (4, 5269238), (8, 2634619), (13, 1621304), (26, 810652), (41, 514072), (52, 405326), (82, 257036), (104, 202663), (164, 128518), (328, 64259), (533, 39544), (1066, 19772), (2132, 9886), (4264, 4943)]