21269004

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 51921408

約数和(自身を除く): 30652404

約数列:

[1, 2, 3, 4, 6, 12, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 516, 564, 877, 1754, 2021, 2631, 3508, 4042, 5262, 6063, 8084, 10524, 12126, 24252, 37711, 41219, 75422, 82438, 113133, 123657, 150844, 164876, 226266, 247314, 452532, 494628, 1772417, 3544834, 5317251, 7089668, 10634502, 21269004]

約数ペア:

[(1, 21269004), (2, 10634502), (3, 7089668), (4, 5317251), (6, 3544834), (12, 1772417), (43, 494628), (47, 452532), (86, 247314), (94, 226266), (129, 164876), (141, 150844), (172, 123657), (188, 113133), (258, 82438), (282, 75422), (516, 41219), (564, 37711), (877, 24252), (1754, 12126), (2021, 10524), (2631, 8084), (3508, 6063), (4042, 5262)]