21779396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5407}}^1$

素因数の和:5483

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 19105084

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5407, 10814, 21628, 102733, 205466, 286571, 410932, 573142, 1146284, 5444849, 10889698, 21779396]

約数ペア:

[(1, 21779396), (2, 10889698), (4, 5444849), (19, 1146284), (38, 573142), (53, 410932), (76, 286571), (106, 205466), (212, 102733), (1007, 21628), (2014, 10814), (4028, 5407)]