21183250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7703}}^1$

素因数の和:7731

約数の個数: 32

約数和(自身を含む): 43265664

約数和(自身を除く): 22082414

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7703, 15406, 38515, 77030, 84733, 169466, 192575, 385150, 423665, 847330, 962875, 1925750, 2118325, 4236650, 10591625, 21183250]

約数ペア:

[(1, 21183250), (2, 10591625), (5, 4236650), (10, 2118325), (11, 1925750), (22, 962875), (25, 847330), (50, 423665), (55, 385150), (110, 192575), (125, 169466), (250, 84733), (275, 77030), (550, 38515), (1375, 15406), (2750, 7703)]