21799030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198173}}^1$

素因数の和:198191

約数の個数: 16

約数和(自身を含む): 42805584

約数和(自身を除く): 21006554

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 198173, 396346, 990865, 1981730, 2179903, 4359806, 10899515, 21799030]

約数ペア:

[(1, 21799030), (2, 10899515), (5, 4359806), (10, 2179903), (11, 1981730), (22, 990865), (55, 396346), (110, 198173)]