21405912

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81083}}^1$

素因数の和:81103

約数の個数: 32

約数和(自身を含む): 58380480

約数和(自身を除く): 36974568

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81083, 162166, 243249, 324332, 486498, 648664, 891913, 972996, 1783826, 1945992, 2675739, 3567652, 5351478, 7135304, 10702956, 21405912]

約数ペア:

[(1, 21405912), (2, 10702956), (3, 7135304), (4, 5351478), (6, 3567652), (8, 2675739), (11, 1945992), (12, 1783826), (22, 972996), (24, 891913), (33, 648664), (44, 486498), (66, 324332), (88, 243249), (132, 162166), (264, 81083)]