21746043

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 16615557

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 59, 73, 99, 153, 177, 187, 219, 297, 459, 531, 561, 649, 657, 803, 1003, 1241, 1593, 1683, 1947, 1971, 2409, 3009, 3723, 4307, 5049, 5841, 7227, 9027, 11033, 11169, 12921, 13651, 17523, 21681, 27081, 33099, 33507, 38763, 40953, 47377, 73219, 99297, 116289, 122859, 142131, 219657, 297891, 368577, 426393, 658971, 805409, 1279179, 1976913, 2416227, 7248681, 21746043]

約数ペア:

[(1, 21746043), (3, 7248681), (9, 2416227), (11, 1976913), (17, 1279179), (27, 805409), (33, 658971), (51, 426393), (59, 368577), (73, 297891), (99, 219657), (153, 142131), (177, 122859), (187, 116289), (219, 99297), (297, 73219), (459, 47377), (531, 40953), (561, 38763), (649, 33507), (657, 33099), (803, 27081), (1003, 21681), (1241, 17523), (1593, 13651), (1683, 12921), (1947, 11169), (1971, 11033), (2409, 9027), (3009, 7227), (3723, 5841), (4307, 5049)]