21511341

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2383}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 33471360

約数和(自身を除く): 11960019

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 2383, 3009, 7149, 9027, 21447, 40511, 121533, 140597, 364599, 421791, 1265373, 2390149, 7170447, 21511341]

約数ペア:

[(1, 21511341), (3, 7170447), (9, 2390149), (17, 1265373), (51, 421791), (59, 364599), (153, 140597), (177, 121533), (531, 40511), (1003, 21447), (2383, 9027), (3009, 7149)]