21968084

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{983}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 39785088

約数和(自身を除く): 17817004

約数列:

[1, 2, 4, 37, 74, 148, 151, 302, 604, 983, 1966, 3932, 5587, 11174, 22348, 36371, 72742, 145484, 148433, 296866, 593732, 5492021, 10984042, 21968084]

約数ペア:

[(1, 21968084), (2, 10984042), (4, 5492021), (37, 593732), (74, 296866), (148, 148433), (151, 145484), (302, 72742), (604, 36371), (983, 22348), (1966, 11174), (3932, 5587)]