21480794

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{5477}}^1$

素因数の和:5569

約数の個数: 16

約数和(自身を含む): 33722568

約数和(自身を除く): 12241774

約数列:

[1, 2, 37, 53, 74, 106, 1961, 3922, 5477, 10954, 202649, 290281, 405298, 580562, 10740397, 21480794]

約数ペア:

[(1, 21480794), (2, 10740397), (37, 580562), (53, 405298), (74, 290281), (106, 202649), (1961, 10954), (3922, 5477)]