21061638

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90007}}^1$

素因数の和:90028

約数の個数: 24

約数和(自身を含む): 49144368

約数和(自身を除く): 28082730

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90007, 180014, 270021, 540042, 810063, 1170091, 1620126, 2340182, 3510273, 7020546, 10530819, 21061638]

約数ペア:

[(1, 21061638), (2, 10530819), (3, 7020546), (6, 3510273), (9, 2340182), (13, 1620126), (18, 1170091), (26, 810063), (39, 540042), (78, 270021), (117, 180014), (234, 90007)]