21375244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15671}}^1$

素因数の和:15717

約数の個数: 24

約数和(自身を含む): 42126336

約数和(自身を除く): 20751092

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15671, 31342, 62684, 172381, 344762, 485801, 689524, 971602, 1943204, 5343811, 10687622, 21375244]

約数ペア:

[(1, 21375244), (2, 10687622), (4, 5343811), (11, 1943204), (22, 971602), (31, 689524), (44, 485801), (62, 344762), (124, 172381), (341, 62684), (682, 31342), (1364, 15671)]