21831969

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{631}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 30740480

約数和(自身を除く): 8908511

約数列:

[1, 3, 19, 57, 607, 631, 1821, 1893, 11533, 11989, 34599, 35967, 383017, 1149051, 7277323, 21831969]

約数ペア:

[(1, 21831969), (3, 7277323), (19, 1149051), (57, 383017), (607, 35967), (631, 34599), (1821, 11989), (1893, 11533)]