21995282

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4261}}^1$

素因数の和:4381

約数の個数: 16

約数和(自身を含む): 34522200

約数和(自身を除く): 12526918

約数列:

[1, 2, 29, 58, 89, 178, 2581, 4261, 5162, 8522, 123569, 247138, 379229, 758458, 10997641, 21995282]

約数ペア:

[(1, 21995282), (2, 10997641), (29, 758458), (58, 379229), (89, 247138), (178, 123569), (2581, 8522), (4261, 5162)]