21473697

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1933}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 34224064

約数和(自身を除く): 12750367

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1933, 3703, 5799, 11109, 13531, 40593, 44459, 133377, 311213, 933639, 1022557, 3067671, 7157899, 21473697]

約数ペア:

[(1, 21473697), (3, 7157899), (7, 3067671), (21, 1022557), (23, 933639), (69, 311213), (161, 133377), (483, 44459), (529, 40593), (1587, 13531), (1933, 11109), (3703, 5799)]