21649168

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{3877}}^1$

素因数の和:4234

約数の個数: 20

約数和(自身を含む): 42076300

約数和(自身を除く): 20427132

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 3877, 5584, 7754, 15508, 31016, 62032, 1353073, 2706146, 5412292, 10824584, 21649168]

約数ペア:

[(1, 21649168), (2, 10824584), (4, 5412292), (8, 2706146), (16, 1353073), (349, 62032), (698, 31016), (1396, 15508), (2792, 7754), (3877, 5584)]