21423490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3301}}^1$

素因数の和:3378

約数の個数: 32

約数和(自身を含む): 42793920

約数和(自身を除く): 21370430

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3245, 3301, 6490, 6602, 16505, 33010, 36311, 72622, 181555, 194759, 363110, 389518, 973795, 1947590, 2142349, 4284698, 10711745, 21423490]

約数ペア:

[(1, 21423490), (2, 10711745), (5, 4284698), (10, 2142349), (11, 1947590), (22, 973795), (55, 389518), (59, 363110), (110, 194759), (118, 181555), (295, 72622), (590, 36311), (649, 33010), (1298, 16505), (3245, 6602), (3301, 6490)]