21236778

素因数分解:

$2^1\times 3^2\times {\mathrm{751}}^1\times {\mathrm{1571}}^1$

素因数の和:2330

約数の個数: 24

約数和(自身を含む): 46103616

約数和(自身を除く): 24866838

約数列:

[1, 2, 3, 6, 9, 18, 751, 1502, 1571, 2253, 3142, 4506, 4713, 6759, 9426, 13518, 14139, 28278, 1179821, 2359642, 3539463, 7078926, 10618389, 21236778]

約数ペア:

[(1, 21236778), (2, 10618389), (3, 7078926), (6, 3539463), (9, 2359642), (18, 1179821), (751, 28278), (1502, 14139), (1571, 13518), (2253, 9426), (3142, 6759), (4506, 4713)]