21341648

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32533}}^1$

素因数の和:32582

約数の個数: 20

約数和(自身を含む): 42359268

約数和(自身を除く): 21017620

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32533, 65066, 130132, 260264, 520528, 1333853, 2667706, 5335412, 10670824, 21341648]

約数ペア:

[(1, 21341648), (2, 10670824), (4, 5335412), (8, 2667706), (16, 1333853), (41, 520528), (82, 260264), (164, 130132), (328, 65066), (656, 32533)]