21167882995

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{919}}^1\times {\mathrm{1823}}^1$

素因数の和:2792

約数の個数: 48

約数和(自身を含む): 30688727040

約数和(自身を除く): 9520844045

約数列:

[1, 5, 7, 19, 35, 95, 133, 361, 665, 919, 1805, 1823, 2527, 4595, 6433, 9115, 12635, 12761, 17461, 32165, 34637, 63805, 87305, 122227, 173185, 242459, 331759, 611135, 658103, 1212295, 1658795, 1675337, 2322313, 3290515, 4606721, 8376685, 11611565, 11727359, 23033605, 31831403, 58636795, 159157015, 222819821, 604796657, 1114099105, 3023983285, 4233576599, 21167882995]

約数ペア:

[(1, 21167882995), (5, 4233576599), (7, 3023983285), (19, 1114099105), (35, 604796657), (95, 222819821), (133, 159157015), (361, 58636795), (665, 31831403), (919, 23033605), (1805, 11727359), (1823, 11611565), (2527, 8376685), (4595, 4606721), (6433, 3290515), (9115, 2322313), (12635, 1675337), (12761, 1658795), (17461, 1212295), (32165, 658103), (34637, 611135), (63805, 331759), (87305, 242459), (122227, 173185)]