21452859

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2801}}^1$

素因数の和:2867

約数の個数: 24

約数和(自身を含む): 33220512

約数和(自身を除く): 11767653

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 2801, 7659, 8403, 25209, 64423, 103637, 193269, 310911, 579807, 932733, 2383651, 7150953, 21452859]

約数ペア:

[(1, 21452859), (3, 7150953), (9, 2383651), (23, 932733), (37, 579807), (69, 310911), (111, 193269), (207, 103637), (333, 64423), (851, 25209), (2553, 8403), (2801, 7659)]