21298004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58511}}^1$

素因数の和:58535

約数の個数: 24

約数和(自身を含む): 45873408

約数和(自身を除く): 24575404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58511, 117022, 234044, 409577, 760643, 819154, 1521286, 1638308, 3042572, 5324501, 10649002, 21298004]

約数ペア:

[(1, 21298004), (2, 10649002), (4, 5324501), (7, 3042572), (13, 1638308), (14, 1521286), (26, 819154), (28, 760643), (52, 409577), (91, 234044), (182, 117022), (364, 58511)]