21776085

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7933}}^1$

素因数の和:8005

約数の個数: 24

約数和(自身を含む): 38368824

約数和(自身を除く): 16592739

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 7933, 23799, 39665, 71397, 118995, 356985, 483913, 1451739, 2419565, 4355217, 7258695, 21776085]

約数ペア:

[(1, 21776085), (3, 7258695), (5, 4355217), (9, 2419565), (15, 1451739), (45, 483913), (61, 356985), (183, 118995), (305, 71397), (549, 39665), (915, 23799), (2745, 7933)]