21472017

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 33718272

約数和(自身を除く): 12246255

約数列:

[1, 3, 7, 21, 83, 97, 127, 249, 291, 381, 581, 679, 889, 1743, 2037, 2667, 8051, 10541, 12319, 24153, 31623, 36957, 56357, 73787, 86233, 169071, 221361, 258699, 1022477, 3067431, 7157339, 21472017]

約数ペア:

[(1, 21472017), (3, 7157339), (7, 3067431), (21, 1022477), (83, 258699), (97, 221361), (127, 169071), (249, 86233), (291, 73787), (381, 56357), (581, 36957), (679, 31623), (889, 24153), (1743, 12319), (2037, 10541), (2667, 8051)]