21005036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6029}}^1$

素因数の和:6113

約数の個数: 24

約数和(自身を含む): 40183920

約数和(自身を除く): 19178884

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 6029, 12058, 24116, 78377, 156754, 313508, 403943, 807886, 1615772, 5251259, 10502518, 21005036]

約数ペア:

[(1, 21005036), (2, 10502518), (4, 5251259), (13, 1615772), (26, 807886), (52, 403943), (67, 313508), (134, 156754), (268, 78377), (871, 24116), (1742, 12058), (3484, 6029)]