21426416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2297}}^1$

素因数の和:2369

約数の個数: 40

約数和(自身を含む): 46162224

約数和(自身を除く): 24735808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2297, 2332, 4594, 4664, 9188, 9328, 18376, 25267, 36752, 50534, 101068, 121741, 202136, 243482, 404272, 486964, 973928, 1339151, 1947856, 2678302, 5356604, 10713208, 21426416]

約数ペア:

[(1, 21426416), (2, 10713208), (4, 5356604), (8, 2678302), (11, 1947856), (16, 1339151), (22, 973928), (44, 486964), (53, 404272), (88, 243482), (106, 202136), (176, 121741), (212, 101068), (424, 50534), (583, 36752), (848, 25267), (1166, 18376), (2297, 9328), (2332, 9188), (4594, 4664)]