21296793

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{27409}}^1$

素因数の和:27456

約数の個数: 16

約数和(自身を含む): 33330560

約数和(自身を除く): 12033767

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 27409, 82227, 191863, 575589, 1014133, 3042399, 7098931, 21296793]

約数ペア:

[(1, 21296793), (3, 7098931), (7, 3042399), (21, 1014133), (37, 575589), (111, 191863), (259, 82227), (777, 27409)]