21745072

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{14011}}^1$

素因数の和:14116

約数の個数: 20

約数和(自身を含む): 42568456

約数和(自身を除く): 20823384

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 14011, 28022, 56044, 112088, 224176, 1359067, 2718134, 5436268, 10872536, 21745072]

約数ペア:

[(1, 21745072), (2, 10872536), (4, 5436268), (8, 2718134), (16, 1359067), (97, 224176), (194, 112088), (388, 56044), (776, 28022), (1552, 14011)]