21419454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2417}}^1$

素因数の和:2640

約数の個数: 32

約数和(自身を含む): 49211136

約数和(自身を除く): 27791682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2417, 2954, 4431, 4834, 7251, 8862, 14502, 16919, 33838, 50757, 101514, 509987, 1019974, 1529961, 3059922, 3569909, 7139818, 10709727, 21419454]

約数ペア:

[(1, 21419454), (2, 10709727), (3, 7139818), (6, 3569909), (7, 3059922), (14, 1529961), (21, 1019974), (42, 509987), (211, 101514), (422, 50757), (633, 33838), (1266, 16919), (1477, 14502), (2417, 8862), (2954, 7251), (4431, 4834)]