21993842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{36779}}^1$

素因数の和:36817

約数の個数: 16

約数和(自身を含む): 37074240

約数和(自身を除く): 15080398

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 36779, 73558, 478127, 845917, 956254, 1691834, 10996921, 21993842]

約数ペア:

[(1, 21993842), (2, 10996921), (13, 1691834), (23, 956254), (26, 845917), (46, 478127), (299, 73558), (598, 36779)]