21168901

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{853}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 24103296

約数和(自身を除く): 2934395

約数列:

[1, 13, 23, 83, 299, 853, 1079, 1909, 11089, 19619, 24817, 70799, 255047, 920387, 1628377, 21168901]

約数ペア:

[(1, 21168901), (13, 1628377), (23, 920387), (83, 255047), (299, 70799), (853, 24817), (1079, 19619), (1909, 11089)]