21284427

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6329}}^1$

素因数の和:6410

約数の個数: 16

約数和(自身を含む): 30384000

約数和(自身を除く): 9099573

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 6329, 18987, 120251, 360753, 373411, 1120233, 7094809, 21284427]

約数ペア:

[(1, 21284427), (3, 7094809), (19, 1120233), (57, 373411), (59, 360753), (177, 120251), (1121, 18987), (3363, 6329)]