21712272

素因数分解:

$2^4\times 3^1\times {\mathrm{113}}^1\times {\mathrm{4003}}^1$

素因数の和:4127

約数の個数: 40

約数和(自身を含む): 56600544

約数和(自身を除く): 34888272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 113, 226, 339, 452, 678, 904, 1356, 1808, 2712, 4003, 5424, 8006, 12009, 16012, 24018, 32024, 48036, 64048, 96072, 192144, 452339, 904678, 1357017, 1809356, 2714034, 3618712, 5428068, 7237424, 10856136, 21712272]

約数ペア:

[(1, 21712272), (2, 10856136), (3, 7237424), (4, 5428068), (6, 3618712), (8, 2714034), (12, 1809356), (16, 1357017), (24, 904678), (48, 452339), (113, 192144), (226, 96072), (339, 64048), (452, 48036), (678, 32024), (904, 24018), (1356, 16012), (1808, 12009), (2712, 8006), (4003, 5424)]