21210738

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{153701}}^1$

素因数の和:153729

約数の個数: 16

約数和(自身を含む): 44266176

約数和(自身を除く): 23055438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 153701, 307402, 461103, 922206, 3535123, 7070246, 10605369, 21210738]

約数ペア:

[(1, 21210738), (2, 10605369), (3, 7070246), (6, 3535123), (23, 922206), (46, 461103), (69, 307402), (138, 153701)]