21241388

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5791}}^1$

素因数の和:5933

約数の個数: 24

約数和(自身を含む): 42814464

約数和(自身を除く): 21573076

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5791, 11582, 23164, 40537, 81074, 162148, 758621, 1517242, 3034484, 5310347, 10620694, 21241388]

約数ペア:

[(1, 21241388), (2, 10620694), (4, 5310347), (7, 3034484), (14, 1517242), (28, 758621), (131, 162148), (262, 81074), (524, 40537), (917, 23164), (1834, 11582), (3668, 5791)]