21167404135

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1\times {\mathrm{2131}}^1$

素因数の和:2551

約数の個数: 32

約数和(自身を含む): 26095680000

約数和(自身を除く): 4928275865

約数列:

[1, 5, 67, 149, 199, 335, 745, 995, 2131, 9983, 10655, 13333, 29651, 49915, 66665, 142777, 148255, 317519, 424069, 713885, 1587595, 1986617, 2120345, 9933085, 21273773, 28412623, 63186281, 106368865, 142063115, 315931405, 4233480827, 21167404135]

約数ペア:

[(1, 21167404135), (5, 4233480827), (67, 315931405), (149, 142063115), (199, 106368865), (335, 63186281), (745, 28412623), (995, 21273773), (2131, 9933085), (9983, 2120345), (10655, 1986617), (13333, 1587595), (29651, 713885), (49915, 424069), (66665, 317519), (142777, 148255)]