21210694

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{6991}}^1$

素因数の和:7071

約数の個数: 16

約数和(自身を含む): 33477696

約数和(自身を除く): 12267002

約数列:

[1, 2, 37, 41, 74, 82, 1517, 3034, 6991, 13982, 258667, 286631, 517334, 573262, 10605347, 21210694]

約数ペア:

[(1, 21210694), (2, 10605347), (37, 573262), (41, 517334), (74, 286631), (82, 258667), (1517, 13982), (3034, 6991)]