21199686

素因数分解:

$2^1\times 3^1\times {\mathrm{179}}^1\times {\mathrm{19739}}^1$

素因数の和:19923

約数の個数: 16

約数和(自身を含む): 42638400

約数和(自身を除く): 21438714

約数列:

[1, 2, 3, 6, 179, 358, 537, 1074, 19739, 39478, 59217, 118434, 3533281, 7066562, 10599843, 21199686]

約数ペア:

[(1, 21199686), (2, 10599843), (3, 7066562), (6, 3533281), (179, 118434), (358, 59217), (537, 39478), (1074, 19739)]