21396486

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{155047}}^1$

素因数の和:155075

約数の個数: 16

約数和(自身を含む): 44653824

約数和(自身を除く): 23257338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 155047, 310094, 465141, 930282, 3566081, 7132162, 10698243, 21396486]

約数ペア:

[(1, 21396486), (2, 10698243), (3, 7132162), (6, 3566081), (23, 930282), (46, 465141), (69, 310094), (138, 155047)]