21103605

素因数分解:

$3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{701}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16635915

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 223, 669, 701, 1115, 2007, 2103, 3345, 3505, 6021, 6309, 10035, 10515, 18927, 30105, 31545, 94635, 156323, 468969, 781615, 1406907, 2344845, 4220721, 7034535, 21103605]

約数ペア:

[(1, 21103605), (3, 7034535), (5, 4220721), (9, 2344845), (15, 1406907), (27, 781615), (45, 468969), (135, 156323), (223, 94635), (669, 31545), (701, 30105), (1115, 18927), (2007, 10515), (2103, 10035), (3345, 6309), (3505, 6021)]