21488132

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 38704512

約数和(自身を除く): 17216380

約数列:

[1, 2, 4, 43, 86, 172, 271, 461, 542, 922, 1084, 1844, 11653, 19823, 23306, 39646, 46612, 79292, 124931, 249862, 499724, 5372033, 10744066, 21488132]

約数ペア:

[(1, 21488132), (2, 10744066), (4, 5372033), (43, 499724), (86, 249862), (172, 124931), (271, 79292), (461, 46612), (542, 39646), (922, 23306), (1084, 19823), (1844, 11653)]