21285626

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{3329}}^1$

素因数の和:3493

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 12280774

約数列:

[1, 2, 23, 46, 139, 278, 3197, 3329, 6394, 6658, 76567, 153134, 462731, 925462, 10642813, 21285626]

約数ペア:

[(1, 21285626), (2, 10642813), (23, 925462), (46, 462731), (139, 153134), (278, 76567), (3197, 6658), (3329, 6394)]