21770514

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{4463}}^1$

素因数の和:4742

約数の個数: 24

約数和(自身を含む): 47354112

約数和(自身を除く): 25583598

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4463, 4878, 8926, 13389, 26778, 40167, 80334, 1209473, 2418946, 3628419, 7256838, 10885257, 21770514]

約数ペア:

[(1, 21770514), (2, 10885257), (3, 7256838), (6, 3628419), (9, 2418946), (18, 1209473), (271, 80334), (542, 40167), (813, 26778), (1626, 13389), (2439, 8926), (4463, 4878)]