21346047

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 32524128

約数和(自身を除く): 11178081

約数列:

[1, 3, 9, 23, 69, 101, 207, 303, 909, 1021, 2323, 3063, 6969, 9189, 20907, 23483, 70449, 103121, 211347, 309363, 928089, 2371783, 7115349, 21346047]

約数ペア:

[(1, 21346047), (3, 7115349), (9, 2371783), (23, 928089), (69, 309363), (101, 211347), (207, 103121), (303, 70449), (909, 23483), (1021, 20907), (2323, 9189), (3063, 6969)]