21144585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18307}}^1$

素因数の和:18333

約数の個数: 32

約数和(自身を含む): 42181632

約数和(自身を除く): 21037047

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18307, 54921, 91535, 128149, 201377, 274605, 384447, 604131, 640745, 1006885, 1409639, 1922235, 3020655, 4228917, 7048195, 21144585]

約数ペア:

[(1, 21144585), (3, 7048195), (5, 4228917), (7, 3020655), (11, 1922235), (15, 1409639), (21, 1006885), (33, 640745), (35, 604131), (55, 384447), (77, 274605), (105, 201377), (165, 128149), (231, 91535), (385, 54921), (1155, 18307)]