21067333

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 6027707

約数列:

[1, 7, 19, 23, 71, 97, 133, 161, 437, 497, 679, 1349, 1633, 1843, 2231, 3059, 6887, 9443, 11431, 12901, 15617, 31027, 42389, 48209, 130853, 158401, 217189, 296723, 915971, 1108807, 3009619, 21067333]

約数ペア:

[(1, 21067333), (7, 3009619), (19, 1108807), (23, 915971), (71, 296723), (97, 217189), (133, 158401), (161, 130853), (437, 48209), (497, 42389), (679, 31027), (1349, 15617), (1633, 12901), (1843, 11431), (2231, 9443), (3059, 6887)]