21717586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{16183}}^1$

素因数の和:16257

約数の個数: 16

約数和(自身を含む): 36122688

約数和(自身を除く): 14405102

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 16183, 32366, 178013, 356026, 987163, 1974326, 10858793, 21717586]

約数ペア:

[(1, 21717586), (2, 10858793), (11, 1974326), (22, 987163), (61, 356026), (122, 178013), (671, 32366), (1342, 16183)]