21565269

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3571}}^1$

素因数の和:3649

約数の個数: 24

約数和(自身を含む): 34548384

約数和(自身を除く): 12983115

約数列:

[1, 3, 9, 11, 33, 61, 99, 183, 549, 671, 2013, 3571, 6039, 10713, 32139, 39281, 117843, 217831, 353529, 653493, 1960479, 2396141, 7188423, 21565269]

約数ペア:

[(1, 21565269), (3, 7188423), (9, 2396141), (11, 1960479), (33, 653493), (61, 353529), (99, 217831), (183, 117843), (549, 39281), (671, 32139), (2013, 10713), (3571, 6039)]