21034719

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 31903872

約数和(自身を除く): 10869153

約数列:

[1, 3, 9, 23, 69, 207, 307, 331, 921, 993, 2763, 2979, 7061, 7613, 21183, 22839, 63549, 68517, 101617, 304851, 914553, 2337191, 7011573, 21034719]

約数ペア:

[(1, 21034719), (3, 7011573), (9, 2337191), (23, 914553), (69, 304851), (207, 101617), (307, 68517), (331, 63549), (921, 22839), (993, 21183), (2763, 7613), (2979, 7061)]