21493329

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50101}}^1$

素因数の和:50128

約数の個数: 16

約数和(自身を含む): 33668544

約数和(自身を除く): 12175215

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50101, 150303, 551111, 651313, 1653333, 1953939, 7164443, 21493329]

約数ペア:

[(1, 21493329), (3, 7164443), (11, 1953939), (13, 1653333), (33, 651313), (39, 551111), (143, 150303), (429, 50101)]