21200993

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 24207360

約数和(自身を除く): 3006367

約数列:

[1, 11, 31, 79, 341, 787, 869, 2449, 8657, 24397, 26939, 62173, 268367, 683903, 1927363, 21200993]

約数ペア:

[(1, 21200993), (11, 1927363), (31, 683903), (79, 268367), (341, 62173), (787, 26939), (869, 24397), (2449, 8657)]