21466214

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19913}}^1$

素因数の和:19940

約数の個数: 24

約数和(自身を含む): 40863528

約数和(自身を除く): 19397314

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19913, 39826, 139391, 219043, 278782, 438086, 975737, 1533301, 1951474, 3066602, 10733107, 21466214]

約数ペア:

[(1, 21466214), (2, 10733107), (7, 3066602), (11, 1951474), (14, 1533301), (22, 975737), (49, 438086), (77, 278782), (98, 219043), (154, 139391), (539, 39826), (1078, 19913)]