21938144

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7703}}^1$

素因数の和:7802

約数の個数: 24

約数和(自身を含む): 43681680

約数和(自身を除く): 21743536

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7703, 15406, 30812, 61624, 123248, 246496, 685567, 1371134, 2742268, 5484536, 10969072, 21938144]

約数ペア:

[(1, 21938144), (2, 10969072), (4, 5484536), (8, 2742268), (16, 1371134), (32, 685567), (89, 246496), (178, 123248), (356, 61624), (712, 30812), (1424, 15406), (2848, 7703)]