21103414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6691}}^1$

素因数の和:6795

約数の個数: 16

約数和(自身を含む): 33727680

約数和(自身を除く): 12624266

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6691, 13382, 127129, 254258, 555353, 1110706, 10551707, 21103414]

約数ペア:

[(1, 21103414), (2, 10551707), (19, 1110706), (38, 555353), (83, 254258), (166, 127129), (1577, 13382), (3154, 6691)]