21594868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1907}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 40068000

約数和(自身を除く): 18473132

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1907, 2831, 3814, 5662, 7628, 11324, 36233, 72466, 144932, 284143, 568286, 1136572, 5398717, 10797434, 21594868]

約数ペア:

[(1, 21594868), (2, 10797434), (4, 5398717), (19, 1136572), (38, 568286), (76, 284143), (149, 144932), (298, 72466), (596, 36233), (1907, 11324), (2831, 7628), (3814, 5662)]