21517742

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{1303}}^1$

素因数の和:1687

約数の個数: 16

約数和(自身を含む): 33799680

約数和(自身を除く): 12281938

約数列:

[1, 2, 23, 46, 359, 718, 1303, 2606, 8257, 16514, 29969, 59938, 467777, 935554, 10758871, 21517742]

約数ペア:

[(1, 21517742), (2, 10758871), (23, 935554), (46, 467777), (359, 59938), (718, 29969), (1303, 16514), (2606, 8257)]