21978944

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{26417}}^1$

素因数の和:26442

約数の個数: 28

約数和(自身を含む): 46971204

約数和(自身を除く): 24992260

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 26417, 52834, 105668, 211336, 343421, 422672, 686842, 845344, 1373684, 1690688, 2747368, 5494736, 10989472, 21978944]

約数ペア:

[(1, 21978944), (2, 10989472), (4, 5494736), (8, 2747368), (13, 1690688), (16, 1373684), (26, 845344), (32, 686842), (52, 422672), (64, 343421), (104, 211336), (208, 105668), (416, 52834), (832, 26417)]