2138620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9721}}^1$

素因数の和:9741

約数の個数: 24

約数和(自身を含む): 4899888

約数和(自身を除く): 2761268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9721, 19442, 38884, 48605, 97210, 106931, 194420, 213862, 427724, 534655, 1069310, 2138620]

約数ペア:

[(1, 2138620), (2, 1069310), (4, 534655), (5, 427724), (10, 213862), (11, 194420), (20, 106931), (22, 97210), (44, 48605), (55, 38884), (110, 19442), (220, 9721)]