21259042

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4093}}^1$

素因数の和:4162

約数の個数: 24

約数和(自身を含む): 37803996

約数和(自身を除く): 16544954

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 4093, 5194, 8186, 28651, 57302, 200557, 216929, 401114, 433858, 1518503, 3037006, 10629521, 21259042]

約数ペア:

[(1, 21259042), (2, 10629521), (7, 3037006), (14, 1518503), (49, 433858), (53, 401114), (98, 216929), (106, 200557), (371, 57302), (742, 28651), (2597, 8186), (4093, 5194)]