2179210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1801}}^1$

素因数の和:1830

約数の個数: 24

約数和(自身を含む): 4313988

約数和(自身を除く): 2134778

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1801, 3602, 9005, 18010, 19811, 39622, 99055, 198110, 217921, 435842, 1089605, 2179210]

約数ペア:

[(1, 2179210), (2, 1089605), (5, 435842), (10, 217921), (11, 198110), (22, 99055), (55, 39622), (110, 19811), (121, 18010), (242, 9005), (605, 3602), (1210, 1801)]