21933261

素因数分解:

$3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 37914624

約数和(自身を除く): 15981363

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 189, 303, 383, 567, 707, 909, 1149, 2121, 2681, 2727, 3447, 6363, 8043, 8181, 10341, 19089, 24129, 31023, 38683, 57267, 72387, 116049, 217161, 270781, 348147, 812343, 1044441, 2437029, 3133323, 7311087, 21933261]

約数ペア:

[(1, 21933261), (3, 7311087), (7, 3133323), (9, 2437029), (21, 1044441), (27, 812343), (63, 348147), (81, 270781), (101, 217161), (189, 116049), (303, 72387), (383, 57267), (567, 38683), (707, 31023), (909, 24129), (1149, 19089), (2121, 10341), (2681, 8181), (2727, 8043), (3447, 6363)]