21893445

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9929}}^1$

素因数の和:9954

約数の個数: 36

約数和(自身を含む): 44148780

約数和(自身を除く): 22255335

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9929, 29787, 49645, 69503, 89361, 148935, 208509, 347515, 446805, 486521, 625527, 1042545, 1459563, 2432605, 3127635, 4378689, 7297815, 21893445]

約数ペア:

[(1, 21893445), (3, 7297815), (5, 4378689), (7, 3127635), (9, 2432605), (15, 1459563), (21, 1042545), (35, 625527), (45, 486521), (49, 446805), (63, 347515), (105, 208509), (147, 148935), (245, 89361), (315, 69503), (441, 49645), (735, 29787), (2205, 9929)]