21027146

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 37895040

約数和(自身を除く): 16867894

約数列:

[1, 2, 7, 14, 29, 58, 67, 134, 203, 406, 469, 773, 938, 1546, 1943, 3886, 5411, 10822, 13601, 22417, 27202, 44834, 51791, 103582, 156919, 313838, 362537, 725074, 1501939, 3003878, 10513573, 21027146]

約数ペア:

[(1, 21027146), (2, 10513573), (7, 3003878), (14, 1501939), (29, 725074), (58, 362537), (67, 313838), (134, 156919), (203, 103582), (406, 51791), (469, 44834), (773, 27202), (938, 22417), (1546, 13601), (1943, 10822), (3886, 5411)]