21054786

素因数分解:

$2^1\times 3^1\times {\mathrm{991}}^1\times {\mathrm{3541}}^1$

素因数の和:4537

約数の個数: 16

約数和(自身を含む): 42163968

約数和(自身を除く): 21109182

約数列:

[1, 2, 3, 6, 991, 1982, 2973, 3541, 5946, 7082, 10623, 21246, 3509131, 7018262, 10527393, 21054786]

約数ペア:

[(1, 21054786), (2, 10527393), (3, 7018262), (6, 3509131), (991, 21246), (1982, 10623), (2973, 7082), (3541, 5946)]