215421122

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{69001}}^1$

素因数の和:69233

約数の個数: 16

約数和(自身を含む): 370954752

約数和(自身を除く): 155533630

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 69001, 138002, 483007, 966014, 15387223, 30774446, 107710561, 215421122]

約数ペア:

[(1, 215421122), (2, 107710561), (7, 30774446), (14, 15387223), (223, 966014), (446, 483007), (1561, 138002), (3122, 69001)]