21944461

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12391}}^1$

素因数の和:12432

約数の個数: 16

約数和(自身を含む): 28551168

約数和(自身を除く): 6606707

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12391, 86737, 136301, 284993, 954107, 1994951, 3134923, 21944461]

約数ペア:

[(1, 21944461), (7, 3134923), (11, 1994951), (23, 954107), (77, 284993), (161, 136301), (253, 86737), (1771, 12391)]