21807712

素因数分解:

$2^5\times {\mathrm{661}}^1\times {\mathrm{1031}}^1$

素因数の和:1702

約数の個数: 24

約数和(自身を含む): 43040592

約数和(自身を除く): 21232880

約数列:

[1, 2, 4, 8, 16, 32, 661, 1031, 1322, 2062, 2644, 4124, 5288, 8248, 10576, 16496, 21152, 32992, 681491, 1362982, 2725964, 5451928, 10903856, 21807712]

約数ペア:

[(1, 21807712), (2, 10903856), (4, 5451928), (8, 2725964), (16, 1362982), (32, 681491), (661, 32992), (1031, 21152), (1322, 16496), (2062, 10576), (2644, 8248), (4124, 5288)]