21520246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{2819}}^1$

素因数の和:3179

約数の個数: 16

約数和(自身を含む): 35328960

約数和(自身を除く): 13808714

約数列:

[1, 2, 11, 22, 347, 694, 2819, 3817, 5638, 7634, 31009, 62018, 978193, 1956386, 10760123, 21520246]

約数ペア:

[(1, 21520246), (2, 10760123), (11, 1956386), (22, 978193), (347, 62018), (694, 31009), (2819, 7634), (3817, 5638)]