21285720912

素因数分解:

$2^4\times 3^1\times {\mathrm{101}}^1\times {\mathrm{4390619}}^1$

素因数の和:4390731

約数の個数: 40

約数和(自身を含む): 55532561760

約数和(自身を除く): 34246840848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 101, 202, 303, 404, 606, 808, 1212, 1616, 2424, 4848, 4390619, 8781238, 13171857, 17562476, 26343714, 35124952, 52687428, 70249904, 105374856, 210749712, 443452519, 886905038, 1330357557, 1773810076, 2660715114, 3547620152, 5321430228, 7095240304, 10642860456, 21285720912]

約数ペア:

[(1, 21285720912), (2, 10642860456), (3, 7095240304), (4, 5321430228), (6, 3547620152), (8, 2660715114), (12, 1773810076), (16, 1330357557), (24, 886905038), (48, 443452519), (101, 210749712), (202, 105374856), (303, 70249904), (404, 52687428), (606, 35124952), (808, 26343714), (1212, 17562476), (1616, 13171857), (2424, 8781238), (4848, 4390619)]