21864854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26861}}^1$

素因数の和:26911

約数の個数: 16

約数和(自身を含む): 36747216

約数和(自身を除く): 14882362

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26861, 53722, 295471, 590942, 993857, 1987714, 10932427, 21864854]

約数ペア:

[(1, 21864854), (2, 10932427), (11, 1987714), (22, 993857), (37, 590942), (74, 295471), (407, 53722), (814, 26861)]