21453978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39293}}^1$

素因数の和:39318

約数の個数: 32

約数和(自身を含む): 52811136

約数和(自身を除く): 31357158

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39293, 78586, 117879, 235758, 275051, 510809, 550102, 825153, 1021618, 1532427, 1650306, 3064854, 3575663, 7151326, 10726989, 21453978]

約数ペア:

[(1, 21453978), (2, 10726989), (3, 7151326), (6, 3575663), (7, 3064854), (13, 1650306), (14, 1532427), (21, 1021618), (26, 825153), (39, 550102), (42, 510809), (78, 275051), (91, 235758), (182, 117879), (273, 78586), (546, 39293)]