21395944

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21059}}^1$

素因数の和:21192

約数の個数: 16

約数和(自身を含む): 40435200

約数和(自身を除く): 19039256

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21059, 42118, 84236, 168472, 2674493, 5348986, 10697972, 21395944]

約数ペア:

[(1, 21395944), (2, 10697972), (4, 5348986), (8, 2674493), (127, 168472), (254, 84236), (508, 42118), (1016, 21059)]