21451705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22943}}^1$

素因数の和:22976

約数の個数: 16

約数和(自身を含む): 29735424

約数和(自身を除く): 8283719

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22943, 114715, 252373, 390031, 1261865, 1950155, 4290341, 21451705]

約数ペア:

[(1, 21451705), (5, 4290341), (11, 1950155), (17, 1261865), (55, 390031), (85, 252373), (187, 114715), (935, 22943)]