21608103

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 33096960

約数和(自身を除く): 11488857

約数列:

[1, 3, 11, 29, 33, 67, 87, 201, 319, 337, 737, 957, 1011, 1943, 2211, 3707, 5829, 9773, 11121, 21373, 22579, 29319, 64119, 67737, 107503, 248369, 322509, 654791, 745107, 1964373, 7202701, 21608103]

約数ペア:

[(1, 21608103), (3, 7202701), (11, 1964373), (29, 745107), (33, 654791), (67, 322509), (87, 248369), (201, 107503), (319, 67737), (337, 64119), (737, 29319), (957, 22579), (1011, 21373), (1943, 11121), (2211, 9773), (3707, 5829)]