21994388638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{49627}}^1$

素因数の和:49864

約数の個数: 32

約数和(自身を含む): 35374838400

約数和(自身を除く): 13380449762

約数列:

[1, 2, 19, 38, 107, 109, 214, 218, 2033, 2071, 4066, 4142, 11663, 23326, 49627, 99254, 221597, 443194, 942913, 1885826, 5310089, 5409343, 10620178, 10818686, 100891691, 102777517, 201783382, 205555034, 578799701, 1157599402, 10997194319, 21994388638]

約数ペア:

[(1, 21994388638), (2, 10997194319), (19, 1157599402), (38, 578799701), (107, 205555034), (109, 201783382), (214, 102777517), (218, 100891691), (2033, 10818686), (2071, 10620178), (4066, 5409343), (4142, 5310089), (11663, 1885826), (23326, 942913), (49627, 443194), (99254, 221597)]