21192164

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1997}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 42517440

約数和(自身を除く): 21325276

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 1997, 2653, 3994, 5306, 7988, 10612, 13979, 27958, 55916, 756863, 1513726, 3027452, 5298041, 10596082, 21192164]

約数ペア:

[(1, 21192164), (2, 10596082), (4, 5298041), (7, 3027452), (14, 1513726), (28, 756863), (379, 55916), (758, 27958), (1516, 13979), (1997, 10612), (2653, 7988), (3994, 5306)]