21537670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 49061376

約数和(自身を除く): 27523706

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 83, 110, 154, 166, 337, 385, 415, 581, 674, 770, 830, 913, 1162, 1685, 1826, 2359, 2905, 3370, 3707, 4565, 4718, 5810, 6391, 7414, 9130, 11795, 12782, 18535, 23590, 25949, 27971, 31955, 37070, 51898, 55942, 63910, 129745, 139855, 195797, 259490, 279710, 307681, 391594, 615362, 978985, 1538405, 1957970, 2153767, 3076810, 4307534, 10768835, 21537670]

約数ペア:

[(1, 21537670), (2, 10768835), (5, 4307534), (7, 3076810), (10, 2153767), (11, 1957970), (14, 1538405), (22, 978985), (35, 615362), (55, 391594), (70, 307681), (77, 279710), (83, 259490), (110, 195797), (154, 139855), (166, 129745), (337, 63910), (385, 55942), (415, 51898), (581, 37070), (674, 31955), (770, 27971), (830, 25949), (913, 23590), (1162, 18535), (1685, 12782), (1826, 11795), (2359, 9130), (2905, 7414), (3370, 6391), (3707, 5810), (4565, 4718)]