21394890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21611}}^1$

素因数の和:21635

約数の個数: 48

約数和(自身を含む): 60686496

約数和(自身を除く): 39291606

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21611, 43222, 64833, 108055, 129666, 194499, 216110, 237721, 324165, 388998, 475442, 648330, 713163, 972495, 1188605, 1426326, 1944990, 2139489, 2377210, 3565815, 4278978, 7131630, 10697445, 21394890]

約数ペア:

[(1, 21394890), (2, 10697445), (3, 7131630), (5, 4278978), (6, 3565815), (9, 2377210), (10, 2139489), (11, 1944990), (15, 1426326), (18, 1188605), (22, 972495), (30, 713163), (33, 648330), (45, 475442), (55, 388998), (66, 324165), (90, 237721), (99, 216110), (110, 194499), (165, 129666), (198, 108055), (330, 64833), (495, 43222), (990, 21611)]