21195306

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 50476608

約数和(自身を除く): 29281302

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 167, 198, 334, 501, 641, 1002, 1282, 1503, 1837, 1923, 3006, 3674, 3846, 5511, 5769, 7051, 11022, 11538, 14102, 16533, 21153, 33066, 42306, 63459, 107047, 126918, 214094, 321141, 642282, 963423, 1177517, 1926846, 2355034, 3532551, 7065102, 10597653, 21195306]

約数ペア:

[(1, 21195306), (2, 10597653), (3, 7065102), (6, 3532551), (9, 2355034), (11, 1926846), (18, 1177517), (22, 963423), (33, 642282), (66, 321141), (99, 214094), (167, 126918), (198, 107047), (334, 63459), (501, 42306), (641, 33066), (1002, 21153), (1282, 16533), (1503, 14102), (1837, 11538), (1923, 11022), (3006, 7051), (3674, 5769), (3846, 5511)]