21110012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68539}}^1$

素因数の和:68561

約数の個数: 24

約数和(自身を含む): 46058880

約数和(自身を除く): 24948868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68539, 137078, 274156, 479773, 753929, 959546, 1507858, 1919092, 3015716, 5277503, 10555006, 21110012]

約数ペア:

[(1, 21110012), (2, 10555006), (4, 5277503), (7, 3015716), (11, 1919092), (14, 1507858), (22, 959546), (28, 753929), (44, 479773), (77, 274156), (154, 137078), (308, 68539)]