21329182

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22739}}^1$

素因数の和:22815

約数の個数: 16

約数和(自身を含む): 37111680

約数和(自身を除く): 15782498

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22739, 45478, 159173, 318346, 1523513, 3047026, 10664591, 21329182]

約数ペア:

[(1, 21329182), (2, 10664591), (7, 3047026), (14, 1523513), (67, 318346), (134, 159173), (469, 45478), (938, 22739)]