21941447

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{379}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 25353600

約数和(自身を除く): 3412153

約数列:

[1, 11, 19, 209, 277, 379, 3047, 4169, 5263, 7201, 57893, 79211, 104983, 1154813, 1994677, 21941447]

約数ペア:

[(1, 21941447), (11, 1994677), (19, 1154813), (209, 104983), (277, 79211), (379, 57893), (3047, 7201), (4169, 5263)]