21646352

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14867}}^1$

素因数の和:14895

約数の個数: 40

約数和(自身を含む): 51621696

約数和(自身を除く): 29975344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14867, 29734, 59468, 104069, 118936, 193271, 208138, 237872, 386542, 416276, 773084, 832552, 1352897, 1546168, 1665104, 2705794, 3092336, 5411588, 10823176, 21646352]

約数ペア:

[(1, 21646352), (2, 10823176), (4, 5411588), (7, 3092336), (8, 2705794), (13, 1665104), (14, 1546168), (16, 1352897), (26, 832552), (28, 773084), (52, 416276), (56, 386542), (91, 237872), (104, 208138), (112, 193271), (182, 118936), (208, 104069), (364, 59468), (728, 29734), (1456, 14867)]