21747244

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1609}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 39670400

約数和(自身を除く): 17923156

約数列:

[1, 2, 4, 31, 62, 109, 124, 218, 436, 1609, 3218, 3379, 6436, 6758, 13516, 49879, 99758, 175381, 199516, 350762, 701524, 5436811, 10873622, 21747244]

約数ペア:

[(1, 21747244), (2, 10873622), (4, 5436811), (31, 701524), (62, 350762), (109, 199516), (124, 175381), (218, 99758), (436, 49879), (1609, 13516), (3218, 6758), (3379, 6436)]