21333296881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{19457}}^1$

素因数の和:19705

約数の個数: 32

約数和(自身を含む): 25367005440

約数和(自身を除く): 4033708559

約数列:

[1, 13, 19, 23, 193, 247, 299, 437, 2509, 3667, 4439, 5681, 19457, 47671, 57707, 84341, 252941, 369683, 447511, 1096433, 3755201, 4805879, 5817643, 8502709, 48817613, 71348819, 86369623, 110535217, 927534647, 1122805099, 1641022837, 21333296881]

約数ペア:

[(1, 21333296881), (13, 1641022837), (19, 1122805099), (23, 927534647), (193, 110535217), (247, 86369623), (299, 71348819), (437, 48817613), (2509, 8502709), (3667, 5817643), (4439, 4805879), (5681, 3755201), (19457, 1096433), (47671, 447511), (57707, 369683), (84341, 252941)]