21631842873

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{393571}}^1$

素因数の和:393805

約数の個数: 24

約数和(自身を含む): 32417738496

約数和(自身を除く): 10785895623

約数列:

[1, 3, 9, 31, 93, 197, 279, 591, 1773, 6107, 18321, 54963, 393571, 1180713, 3542139, 12200701, 36602103, 77533487, 109806309, 232600461, 697801383, 2403538097, 7210614291, 21631842873]

約数ペア:

[(1, 21631842873), (3, 7210614291), (9, 2403538097), (31, 697801383), (93, 232600461), (197, 109806309), (279, 77533487), (591, 36602103), (1773, 12200701), (6107, 3542139), (18321, 1180713), (54963, 393571)]