2153404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 4158000

約数和(自身を除く): 2004596

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 449, 898, 1199, 1796, 2398, 4796, 4939, 9878, 19756, 48941, 97882, 195764, 538351, 1076702, 2153404]

約数ペア:

[(1, 2153404), (2, 1076702), (4, 538351), (11, 195764), (22, 97882), (44, 48941), (109, 19756), (218, 9878), (436, 4939), (449, 4796), (898, 2398), (1199, 1796)]