21609549

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{967}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 33825792

約数和(自身を除く): 12216243

約数列:

[1, 3, 9, 13, 39, 117, 191, 573, 967, 1719, 2483, 2901, 7449, 8703, 12571, 22347, 37713, 113139, 184697, 554091, 1662273, 2401061, 7203183, 21609549]

約数ペア:

[(1, 21609549), (3, 7203183), (9, 2401061), (13, 1662273), (39, 554091), (117, 184697), (191, 113139), (573, 37713), (967, 22347), (1719, 12571), (2483, 8703), (2901, 7449)]