21954495

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 14172225

約数列:

[1, 3, 5, 15, 79, 97, 191, 237, 291, 395, 485, 573, 955, 1185, 1455, 2865, 7663, 15089, 18527, 22989, 38315, 45267, 55581, 75445, 92635, 114945, 226335, 277905, 1463633, 4390899, 7318165, 21954495]

約数ペア:

[(1, 21954495), (3, 7318165), (5, 4390899), (15, 1463633), (79, 277905), (97, 226335), (191, 114945), (237, 92635), (291, 75445), (395, 55581), (485, 45267), (573, 38315), (955, 22989), (1185, 18527), (1455, 15089), (2865, 7663)]