21141296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120121}}^1$

素因数の和:120140

約数の個数: 20

約数和(自身を含む): 44685384

約数和(自身を除く): 23544088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120121, 240242, 480484, 960968, 1321331, 1921936, 2642662, 5285324, 10570648, 21141296]

約数ペア:

[(1, 21141296), (2, 10570648), (4, 5285324), (8, 2642662), (11, 1921936), (16, 1321331), (22, 960968), (44, 480484), (88, 240242), (176, 120121)]