21548058

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3691}}^1$

素因数の和:3842

約数の個数: 32

約数和(自身を含む): 49620480

約数和(自身を除く): 28072422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3691, 5838, 7382, 11073, 22146, 25837, 51674, 77511, 155022, 513049, 1026098, 1539147, 3078294, 3591343, 7182686, 10774029, 21548058]

約数ペア:

[(1, 21548058), (2, 10774029), (3, 7182686), (6, 3591343), (7, 3078294), (14, 1539147), (21, 1026098), (42, 513049), (139, 155022), (278, 77511), (417, 51674), (834, 25837), (973, 22146), (1946, 11073), (2919, 7382), (3691, 5838)]