21796227

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3313}}^1$

素因数の和:3379

約数の個数: 24

約数和(自身を含む): 34120944

約数和(自身を除く): 12324717

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 3313, 6579, 9939, 29817, 56321, 142459, 168963, 427377, 506889, 1282131, 2421803, 7265409, 21796227]

約数ペア:

[(1, 21796227), (3, 7265409), (9, 2421803), (17, 1282131), (43, 506889), (51, 427377), (129, 168963), (153, 142459), (387, 56321), (731, 29817), (2193, 9939), (3313, 6579)]