21211586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{33247}}^1$

素因数の和:33289

約数の個数: 16

約数和(自身を含む): 35907840

約数和(自身を除く): 14696254

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 33247, 66494, 365717, 731434, 964163, 1928326, 10605793, 21211586]

約数ペア:

[(1, 21211586), (2, 10605793), (11, 1928326), (22, 964163), (29, 731434), (58, 365717), (319, 66494), (638, 33247)]