21760595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3821}}^1$

素因数の和:3910

約数の個数: 16

約数和(自身を含む): 28068768

約数和(自身を除く): 6308173

約数列:

[1, 5, 17, 67, 85, 335, 1139, 3821, 5695, 19105, 64957, 256007, 324785, 1280035, 4352119, 21760595]

約数ペア:

[(1, 21760595), (5, 4352119), (17, 1280035), (67, 324785), (85, 256007), (335, 64957), (1139, 19105), (3821, 5695)]