21190966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4391}}^1$

素因数の和:4539

約数の個数: 16

約数和(自身を含む): 33730560

約数和(自身を除く): 12539594

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4391, 4826, 8782, 83429, 166858, 557657, 1115314, 10595483, 21190966]

約数ペア:

[(1, 21190966), (2, 10595483), (19, 1115314), (38, 557657), (127, 166858), (254, 83429), (2413, 8782), (4391, 4826)]