21840442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{8317}}^1$

素因数の和:8433

約数の個数: 16

約数和(自身を含む): 35634312

約数和(自身を除く): 13793870

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 8317, 16634, 108121, 216242, 840017, 1680034, 10920221, 21840442]

約数ペア:

[(1, 21840442), (2, 10920221), (13, 1680034), (26, 840017), (101, 216242), (202, 108121), (1313, 16634), (2626, 8317)]