21218582

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{653}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 39930624

約数和(自身を除く): 18712042

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 211, 422, 653, 1306, 1477, 2321, 2954, 4571, 4642, 7183, 9142, 14366, 16247, 32494, 50281, 100562, 137783, 275566, 964481, 1515613, 1928962, 3031226, 10609291, 21218582]

約数ペア:

[(1, 21218582), (2, 10609291), (7, 3031226), (11, 1928962), (14, 1515613), (22, 964481), (77, 275566), (154, 137783), (211, 100562), (422, 50281), (653, 32494), (1306, 16247), (1477, 14366), (2321, 9142), (2954, 7183), (4571, 4642)]