21776738

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1223}}^1$

素因数の和:1561

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 12152542

約数列:

[1, 2, 29, 58, 307, 614, 1223, 2446, 8903, 17806, 35467, 70934, 375461, 750922, 10888369, 21776738]

約数ペア:

[(1, 21776738), (2, 10888369), (29, 750922), (58, 375461), (307, 70934), (614, 35467), (1223, 17806), (2446, 8903)]