21419210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{4049}}^1$

素因数の和:4102

約数の個数: 24

約数和(自身を含む): 40313700

約数和(自身を除く): 18894490

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 4049, 5290, 8098, 20245, 40490, 93127, 186254, 465635, 931270, 2141921, 4283842, 10709605, 21419210]

約数ペア:

[(1, 21419210), (2, 10709605), (5, 4283842), (10, 2141921), (23, 931270), (46, 465635), (115, 186254), (230, 93127), (529, 40490), (1058, 20245), (2645, 8098), (4049, 5290)]