21349222

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{2801}}^1$

素因数の和:2943

約数の個数: 16

約数和(自身を含む): 33220512

約数和(自身を除く): 11871290

約数列:

[1, 2, 37, 74, 103, 206, 2801, 3811, 5602, 7622, 103637, 207274, 288503, 577006, 10674611, 21349222]

約数ペア:

[(1, 21349222), (2, 10674611), (37, 577006), (74, 288503), (103, 207274), (206, 103637), (2801, 7622), (3811, 5602)]