21338342

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1511}}^1$

素因数の和:1843

約数の個数: 16

約数和(自身を含む): 33530112

約数和(自身を除く): 12191770

約数列:

[1, 2, 23, 46, 307, 614, 1511, 3022, 7061, 14122, 34753, 69506, 463877, 927754, 10669171, 21338342]

約数ペア:

[(1, 21338342), (2, 10669171), (23, 927754), (46, 463877), (307, 69506), (614, 34753), (1511, 14122), (3022, 7061)]