21332905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{953}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 28929096

約数和(自身を除く): 7596191

約数列:

[1, 5, 11, 37, 55, 121, 185, 407, 605, 953, 2035, 4477, 4765, 10483, 22385, 35261, 52415, 115313, 176305, 387871, 576565, 1939355, 4266581, 21332905]

約数ペア:

[(1, 21332905), (5, 4266581), (11, 1939355), (37, 576565), (55, 387871), (121, 176305), (185, 115313), (407, 52415), (605, 35261), (953, 22385), (2035, 10483), (4477, 4765)]