21323696

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{16057}}^1$

素因数の和:16148

約数の個数: 20

約数和(自身を含む): 41815032

約数和(自身を除く): 20491336

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 16057, 32114, 64228, 128456, 256912, 1332731, 2665462, 5330924, 10661848, 21323696]

約数ペア:

[(1, 21323696), (2, 10661848), (4, 5330924), (8, 2665462), (16, 1332731), (83, 256912), (166, 128456), (332, 64228), (664, 32114), (1328, 16057)]