21172250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7699}}^1$

素因数の和:7727

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 22070950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7699, 15398, 38495, 76990, 84689, 169378, 192475, 384950, 423445, 846890, 962375, 1924750, 2117225, 4234450, 10586125, 21172250]

約数ペア:

[(1, 21172250), (2, 10586125), (5, 4234450), (10, 2117225), (11, 1924750), (22, 962375), (25, 846890), (50, 423445), (55, 384950), (110, 192475), (125, 169378), (250, 84689), (275, 76990), (550, 38495), (1375, 15398), (2750, 7699)]