21772605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 36642816

約数和(自身を除く): 14870211

約数列:

[1, 3, 5, 15, 23, 69, 115, 223, 283, 345, 669, 849, 1115, 1415, 3345, 4245, 5129, 6509, 15387, 19527, 25645, 32545, 63109, 76935, 97635, 189327, 315545, 946635, 1451507, 4354521, 7257535, 21772605]

約数ペア:

[(1, 21772605), (3, 7257535), (5, 4354521), (15, 1451507), (23, 946635), (69, 315545), (115, 189327), (223, 97635), (283, 76935), (345, 63109), (669, 32545), (849, 25645), (1115, 19527), (1415, 15387), (3345, 6509), (4245, 5129)]