21966405

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{24007}}^1$

素因数の和:24076

約数の個数: 16

約数和(自身を含む): 35723904

約数和(自身を除く): 13757499

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 24007, 72021, 120035, 360105, 1464427, 4393281, 7322135, 21966405]

約数ペア:

[(1, 21966405), (3, 7322135), (5, 4393281), (15, 1464427), (61, 360105), (183, 120035), (305, 72021), (915, 24007)]