21567336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128377}}^1$

素因数の和:128393

約数の個数: 32

約数和(自身を含む): 61621440

約数和(自身を除く): 40054104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128377, 256754, 385131, 513508, 770262, 898639, 1027016, 1540524, 1797278, 2695917, 3081048, 3594556, 5391834, 7189112, 10783668, 21567336]

約数ペア:

[(1, 21567336), (2, 10783668), (3, 7189112), (4, 5391834), (6, 3594556), (7, 3081048), (8, 2695917), (12, 1797278), (14, 1540524), (21, 1027016), (24, 898639), (28, 770262), (42, 513508), (56, 385131), (84, 256754), (168, 128377)]