21789874043

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{48991}}^1$

素因数の和:49347

約数の個数: 24

約数和(自身を含む): 26305764480

約数和(自身を除く): 4515890437

約数列:

[1, 7, 29, 49, 203, 313, 1421, 2191, 9077, 15337, 48991, 63539, 342937, 444773, 1420739, 2400559, 9945173, 15334183, 69616211, 107339281, 444691307, 751374967, 3112839149, 21789874043]

約数ペア:

[(1, 21789874043), (7, 3112839149), (29, 751374967), (49, 444691307), (203, 107339281), (313, 69616211), (1421, 15334183), (2191, 9945173), (9077, 2400559), (15337, 1420739), (48991, 444773), (63539, 342937)]