21667346372

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{286499}}^1$

素因数の和:286620

約数の個数: 48

約数和(自身を含む): 45115728000

約数和(自身を除く): 23448381628

約数列:

[1, 2, 4, 7, 14, 28, 37, 73, 74, 146, 148, 259, 292, 511, 518, 1022, 1036, 2044, 2701, 5402, 10804, 18907, 37814, 75628, 286499, 572998, 1145996, 2005493, 4010986, 8021972, 10600463, 20914427, 21200926, 41828854, 42401852, 74203241, 83657708, 146400989, 148406482, 292801978, 296812964, 585603956, 773833799, 1547667598, 3095335196, 5416836593, 10833673186, 21667346372]

約数ペア:

[(1, 21667346372), (2, 10833673186), (4, 5416836593), (7, 3095335196), (14, 1547667598), (28, 773833799), (37, 585603956), (73, 296812964), (74, 292801978), (146, 148406482), (148, 146400989), (259, 83657708), (292, 74203241), (511, 42401852), (518, 41828854), (1022, 21200926), (1036, 20914427), (2044, 10600463), (2701, 8021972), (5402, 4010986), (10804, 2005493), (18907, 1145996), (37814, 572998), (75628, 286499)]