21280342

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2467}}^1$

素因数の和:2715

約数の個数: 16

約数和(自身を含む): 33762240

約数和(自身を除く): 12481898

約数列:

[1, 2, 19, 38, 227, 454, 2467, 4313, 4934, 8626, 46873, 93746, 560009, 1120018, 10640171, 21280342]

約数ペア:

[(1, 21280342), (2, 10640171), (19, 1120018), (38, 560009), (227, 93746), (454, 46873), (2467, 8626), (4313, 4934)]