21058492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57853}}^1$

素因数の和:57877

約数の個数: 24

約数和(自身を含む): 45357536

約数和(自身を除く): 24299044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57853, 115706, 231412, 404971, 752089, 809942, 1504178, 1619884, 3008356, 5264623, 10529246, 21058492]

約数ペア:

[(1, 21058492), (2, 10529246), (4, 5264623), (7, 3008356), (13, 1619884), (14, 1504178), (26, 809942), (28, 752089), (52, 404971), (91, 231412), (182, 115706), (364, 57853)]