21080822409

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3723869}}^1$

素因数の和:3723929

約数の個数: 24

約数和(自身を含む): 33112652040

約数和(自身を除く): 12031829631

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 5661, 3723869, 11171607, 33514821, 63305773, 137783153, 189917319, 413349459, 569751957, 1240048377, 2342313601, 7026940803, 21080822409]

約数ペア:

[(1, 21080822409), (3, 7026940803), (9, 2342313601), (17, 1240048377), (37, 569751957), (51, 413349459), (111, 189917319), (153, 137783153), (333, 63305773), (629, 33514821), (1887, 11171607), (5661, 3723869)]