21945608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144379}}^1$

素因数の和:144404

約数の個数: 16

約数和(自身を含む): 43314000

約数和(自身を除く): 21368392

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144379, 288758, 577516, 1155032, 2743201, 5486402, 10972804, 21945608]

約数ペア:

[(1, 21945608), (2, 10972804), (4, 5486402), (8, 2743201), (19, 1155032), (38, 577516), (76, 288758), (152, 144379)]