21807678

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{28619}}^1$

素因数の和:28751

約数の個数: 16

約数和(自身を含む): 43960320

約数和(自身を除く): 22152642

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 28619, 57238, 85857, 171714, 3634613, 7269226, 10903839, 21807678]

約数ペア:

[(1, 21807678), (2, 10903839), (3, 7269226), (6, 3634613), (127, 171714), (254, 85857), (381, 57238), (762, 28619)]