21619169

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 27350400

約数和(自身を除く): 5731231

約数列:

[1, 11, 13, 19, 73, 109, 143, 209, 247, 803, 949, 1199, 1387, 1417, 2071, 2717, 7957, 10439, 15257, 15587, 18031, 22781, 26923, 87527, 103441, 151183, 198341, 296153, 1137851, 1663013, 1965379, 21619169]

約数ペア:

[(1, 21619169), (11, 1965379), (13, 1663013), (19, 1137851), (73, 296153), (109, 198341), (143, 151183), (209, 103441), (247, 87527), (803, 26923), (949, 22781), (1199, 18031), (1387, 15587), (1417, 15257), (2071, 10439), (2717, 7957)]