21062181

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43607}}^1$

素因数の和:43640

約数の個数: 16

約数和(自身を含む): 33490944

約数和(自身を除く): 12428763

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43607, 130821, 305249, 915747, 1002961, 3008883, 7020727, 21062181]

約数ペア:

[(1, 21062181), (3, 7020727), (7, 3008883), (21, 1002961), (23, 915747), (69, 305249), (161, 130821), (483, 43607)]