2021040917

素因数分解:

$7^2\times {\mathrm{149}}^1\times {\mathrm{276817}}^1$

素因数の和:276980

約数の個数: 12

約数和(自身を含む): 2366793900

約数和(自身を除く): 345752983

約数列:

[1, 7, 49, 149, 1043, 7301, 276817, 1937719, 13564033, 41245733, 288720131, 2021040917]

約数ペア:

[(1, 2021040917), (7, 288720131), (49, 41245733), (149, 13564033), (1043, 1937719), (7301, 276817)]