21691242

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{9199}}^1$

素因数の和:9338

約数の個数: 24

約数和(自身を含む): 47361600

約数和(自身を除く): 25670358

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 9199, 18398, 27597, 55194, 82791, 165582, 1205069, 2410138, 3615207, 7230414, 10845621, 21691242]

約数ペア:

[(1, 21691242), (2, 10845621), (3, 7230414), (6, 3615207), (9, 2410138), (18, 1205069), (131, 165582), (262, 82791), (393, 55194), (786, 27597), (1179, 18398), (2358, 9199)]