21518194

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1101

約数の個数: 16

約数和(自身を含む): 33197976

約数和(自身を除く): 11679782

約数列:

[1, 2, 41, 82, 397, 661, 794, 1322, 16277, 27101, 32554, 54202, 262417, 524834, 10759097, 21518194]

約数ペア:

[(1, 21518194), (2, 10759097), (41, 524834), (82, 262417), (397, 54202), (661, 32554), (794, 27101), (1322, 16277)]