21881794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{1307}}^1$

素因数の和:2081

約数の個数: 16

約数和(自身を含む): 35881056

約数和(自身を除く): 13999262

約数列:

[1, 2, 11, 22, 761, 1307, 1522, 2614, 8371, 14377, 16742, 28754, 994627, 1989254, 10940897, 21881794]

約数ペア:

[(1, 21881794), (2, 10940897), (11, 1989254), (22, 994627), (761, 28754), (1307, 16742), (1522, 14377), (2614, 8371)]