21898250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7963}}^1$

素因数の和:7991

約数の個数: 32

約数和(自身を含む): 44725824

約数和(自身を除く): 22827574

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7963, 15926, 39815, 79630, 87593, 175186, 199075, 398150, 437965, 875930, 995375, 1990750, 2189825, 4379650, 10949125, 21898250]

約数ペア:

[(1, 21898250), (2, 10949125), (5, 4379650), (10, 2189825), (11, 1990750), (22, 995375), (25, 875930), (50, 437965), (55, 398150), (110, 199075), (125, 175186), (250, 87593), (275, 79630), (550, 39815), (1375, 15926), (2750, 7963)]