21285750872063

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{16901}}^1\times {\mathrm{1541539}}^1$

素因数の和:1558502

約数の個数: 16

約数和(自身を含む): 22928495990400

約数和(自身を除く): 1642745118337

約数列:

[1, 19, 43, 817, 16901, 321119, 726743, 1541539, 13808117, 29289241, 66286177, 1259437363, 26053550639, 495017462141, 1120302677477, 21285750872063]

約数ペア:

[(1, 21285750872063), (19, 1120302677477), (43, 495017462141), (817, 26053550639), (16901, 1259437363), (321119, 66286177), (726743, 29289241), (1541539, 13808117)]