21864645

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44171}}^1$

素因数の和:44193

約数の個数: 24

約数和(自身を含む): 41344992

約数和(自身を除く): 19480347

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 44171, 132513, 220855, 397539, 485881, 662565, 1457643, 1987695, 2429405, 4372929, 7288215, 21864645]

約数ペア:

[(1, 21864645), (3, 7288215), (5, 4372929), (9, 2429405), (11, 1987695), (15, 1457643), (33, 662565), (45, 485881), (55, 397539), (99, 220855), (165, 132513), (495, 44171)]