21913386

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^2$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 49926240

約数和(自身を除く): 28012854

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 107, 174, 214, 319, 321, 638, 642, 957, 1177, 1914, 2354, 3103, 3531, 6206, 7062, 9309, 11449, 18618, 22898, 34133, 34347, 68266, 68694, 102399, 125939, 204798, 251878, 332021, 377817, 664042, 755634, 996063, 1992126, 3652231, 7304462, 10956693, 21913386]

約数ペア:

[(1, 21913386), (2, 10956693), (3, 7304462), (6, 3652231), (11, 1992126), (22, 996063), (29, 755634), (33, 664042), (58, 377817), (66, 332021), (87, 251878), (107, 204798), (174, 125939), (214, 102399), (319, 68694), (321, 68266), (638, 34347), (642, 34133), (957, 22898), (1177, 18618), (1914, 11449), (2354, 9309), (3103, 7062), (3531, 6206)]