21032902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 36267264

約数和(自身を除く): 15234362

約数列:

[1, 2, 11, 22, 23, 46, 197, 211, 253, 394, 422, 506, 2167, 2321, 4334, 4531, 4642, 4853, 9062, 9706, 41567, 49841, 53383, 83134, 99682, 106766, 457237, 914474, 956041, 1912082, 10516451, 21032902]

約数ペア:

[(1, 21032902), (2, 10516451), (11, 1912082), (22, 956041), (23, 914474), (46, 457237), (197, 106766), (211, 99682), (253, 83134), (394, 53383), (422, 49841), (506, 41567), (2167, 9706), (2321, 9062), (4334, 4853), (4531, 4642)]