21978804958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{16377649}}^1$

素因数の和:16377723

約数の個数: 16

約数和(自身を含む): 36554914800

約数和(自身を除く): 14576109842

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 16377649, 32755298, 180154139, 360308278, 999036589, 1998073178, 10989402479, 21978804958]

約数ペア:

[(1, 21978804958), (2, 10989402479), (11, 1998073178), (22, 999036589), (61, 360308278), (122, 180154139), (671, 32755298), (1342, 16377649)]