21031948053

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{132229}}^1$

素因数の和:132418

約数の個数: 32

約数和(自身を含む): 32116022400

約数和(自身を除く): 11084074347

約数列:

[1, 3, 9, 27, 43, 129, 137, 387, 411, 1161, 1233, 3699, 5891, 17673, 53019, 132229, 159057, 396687, 1190061, 3570183, 5685847, 17057541, 18115373, 51172623, 54346119, 153517869, 163038357, 489115071, 778961039, 2336883117, 7010649351, 21031948053]

約数ペア:

[(1, 21031948053), (3, 7010649351), (9, 2336883117), (27, 778961039), (43, 489115071), (129, 163038357), (137, 153517869), (387, 54346119), (411, 51172623), (1161, 18115373), (1233, 17057541), (3699, 5685847), (5891, 3570183), (17673, 1190061), (53019, 396687), (132229, 159057)]