21431582

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1571}}^1$

素因数の和:1951

約数の個数: 16

約数和(自身を含む): 33955200

約数和(自身を除く): 12523618

約数列:

[1, 2, 19, 38, 359, 718, 1571, 3142, 6821, 13642, 29849, 59698, 563989, 1127978, 10715791, 21431582]

約数ペア:

[(1, 21431582), (2, 10715791), (19, 1127978), (38, 563989), (359, 59698), (718, 29849), (1571, 13642), (3142, 6821)]