21762988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9733}}^1$

素因数の和:9793

約数の個数: 24

約数和(自身を含む): 41973008

約数和(自身を除く): 20210020

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9733, 19466, 38932, 126529, 253058, 418519, 506116, 837038, 1674076, 5440747, 10881494, 21762988]

約数ペア:

[(1, 21762988), (2, 10881494), (4, 5440747), (13, 1674076), (26, 837038), (43, 506116), (52, 418519), (86, 253058), (172, 126529), (559, 38932), (1118, 19466), (2236, 9733)]