21771739

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1427}}^1$

素因数の和:1530

約数の個数: 16

約数和(自身を含む): 25361280

約数和(自身を除く): 3589541

約数列:

[1, 11, 19, 73, 209, 803, 1387, 1427, 15257, 15697, 27113, 104171, 298243, 1145881, 1979249, 21771739]

約数ペア:

[(1, 21771739), (11, 1979249), (19, 1145881), (73, 298243), (209, 104171), (803, 27113), (1387, 15697), (1427, 15257)]