21099430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2311}}^1$

素因数の和:2412

約数の個数: 32

約数和(自身を含む): 41948928

約数和(自身を除く): 20849498

約数列:

[1, 2, 5, 10, 11, 22, 55, 83, 110, 166, 415, 830, 913, 1826, 2311, 4565, 4622, 9130, 11555, 23110, 25421, 50842, 127105, 191813, 254210, 383626, 959065, 1918130, 2109943, 4219886, 10549715, 21099430]

約数ペア:

[(1, 21099430), (2, 10549715), (5, 4219886), (10, 2109943), (11, 1918130), (22, 959065), (55, 383626), (83, 254210), (110, 191813), (166, 127105), (415, 50842), (830, 25421), (913, 23110), (1826, 11555), (2311, 9130), (4565, 4622)]