21025022

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 34813152

約数和(自身を除く): 13788130

約数列:

[1, 2, 17, 34, 43, 73, 86, 146, 197, 394, 731, 1241, 1462, 2482, 3139, 3349, 6278, 6698, 8471, 14381, 16942, 28762, 53363, 106726, 144007, 244477, 288014, 488954, 618383, 1236766, 10512511, 21025022]

約数ペア:

[(1, 21025022), (2, 10512511), (17, 1236766), (34, 618383), (43, 488954), (73, 288014), (86, 244477), (146, 144007), (197, 106726), (394, 53363), (731, 28762), (1241, 16942), (1462, 14381), (2482, 8471), (3139, 6698), (3349, 6278)]